Home / 56,160.64-77,501.17-30,666.88

Finding the Fourth Proportional to 56,160.64, 77,501.17 and 30,666.88

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Solution

The fourth proportional to 56,160.64, 77,501.17 and 30,666.88 is: 42,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.64 : 77,501.17 = 30,666.88 : x
  2. Step 2: Convert to fraction form
    56,160.64/77,501.17 = 30,666.88/x
  3. Step 3: Cross multiply
    56,160.64x = 77,501.17 × 30,666.88
  4. Step 4: Simplify right side
    56,160.64x = 2,376,719,080.25
  5. Step 5: Solve for x
    x = 2,376,719,080.25/56,160.64
  6. Step 6: Final answer
    x = 42,320.01

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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.