Home / 90,465.32-124,760.39-56,476.91

Finding the Fourth Proportional to 90,465.32, 124,760.39 and 56,476.91

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Solution

The fourth proportional to 90,465.32, 124,760.39 and 56,476.91 is: 77,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,465.32 : 124,760.39 = 56,476.91 : x
  2. Step 2: Convert to fraction form
    90,465.32/124,760.39 = 56,476.91/x
  3. Step 3: Cross multiply
    90,465.32x = 124,760.39 × 56,476.91
  4. Step 4: Simplify right side
    90,465.32x = 7,046,081,347.11
  5. Step 5: Solve for x
    x = 7,046,081,347.11/90,465.32
  6. Step 6: Final answer
    x = 77,887.10

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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.