Home / 45,612.77-63,118.17-38,887.74

Finding the Fourth Proportional to 45,612.77, 63,118.17 and 38,887.74

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Solution

The fourth proportional to 45,612.77, 63,118.17 and 38,887.74 is: 53,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,612.77 : 63,118.17 = 38,887.74 : x
  2. Step 2: Convert to fraction form
    45,612.77/63,118.17 = 38,887.74/x
  3. Step 3: Cross multiply
    45,612.77x = 63,118.17 × 38,887.74
  4. Step 4: Simplify right side
    45,612.77x = 2,454,522,984.24
  5. Step 5: Solve for x
    x = 2,454,522,984.24/45,612.77
  6. Step 6: Final answer
    x = 53,812.19

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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.