Home / 61,154.16-84,356.94-38,457.20

Finding the Fourth Proportional to 61,154.16, 84,356.94 and 38,457.20

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Solution

The fourth proportional to 61,154.16, 84,356.94 and 38,457.20 is: 53,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.16 : 84,356.94 = 38,457.20 : x
  2. Step 2: Convert to fraction form
    61,154.16/84,356.94 = 38,457.20/x
  3. Step 3: Cross multiply
    61,154.16x = 84,356.94 × 38,457.20
  4. Step 4: Simplify right side
    61,154.16x = 3,244,131,712.97
  5. Step 5: Solve for x
    x = 3,244,131,712.97/61,154.16
  6. Step 6: Final answer
    x = 53,048.42

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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.