Home / 57,746.25-86,619.38-13,970.25

Finding the Fourth Proportional to 57,746.25, 86,619.38 and 13,970.25

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Solution

The fourth proportional to 57,746.25, 86,619.38 and 13,970.25 is: 20,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,746.25 : 86,619.38 = 13,970.25 : x
  2. Step 2: Convert to fraction form
    57,746.25/86,619.38 = 13,970.25/x
  3. Step 3: Cross multiply
    57,746.25x = 86,619.38 × 13,970.25
  4. Step 4: Simplify right side
    57,746.25x = 1,210,094,323.59
  5. Step 5: Solve for x
    x = 1,210,094,323.59/57,746.25
  6. Step 6: Final answer
    x = 20,955.38

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.