Home / 57,036.08-78,712.78-34,382.26

Finding the Fourth Proportional to 57,036.08, 78,712.78 and 34,382.26

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Solution

The fourth proportional to 57,036.08, 78,712.78 and 34,382.26 is: 47,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,036.08 : 78,712.78 = 34,382.26 : x
  2. Step 2: Convert to fraction form
    57,036.08/78,712.78 = 34,382.26/x
  3. Step 3: Cross multiply
    57,036.08x = 78,712.78 × 34,382.26
  4. Step 4: Simplify right side
    57,036.08x = 2,706,323,267.28
  5. Step 5: Solve for x
    x = 2,706,323,267.28/57,036.08
  6. Step 6: Final answer
    x = 47,449.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.