Home / 64,619.14-89,176.48-39,130.26

Finding the Fourth Proportional to 64,619.14, 89,176.48 and 39,130.26

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Solution

The fourth proportional to 64,619.14, 89,176.48 and 39,130.26 is: 54,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,619.14 : 89,176.48 = 39,130.26 : x
  2. Step 2: Convert to fraction form
    64,619.14/89,176.48 = 39,130.26/x
  3. Step 3: Cross multiply
    64,619.14x = 89,176.48 × 39,130.26
  4. Step 4: Simplify right side
    64,619.14x = 3,489,498,848.28
  5. Step 5: Solve for x
    x = 3,489,498,848.28/64,619.14
  6. Step 6: Final answer
    x = 54,001.01

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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.