Home / 56,184.36-77,434.15-42,539.71

Finding the Fourth Proportional to 56,184.36, 77,434.15 and 42,539.71

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Solution

The fourth proportional to 56,184.36, 77,434.15 and 42,539.71 is: 58,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.36 : 77,434.15 = 42,539.71 : x
  2. Step 2: Convert to fraction form
    56,184.36/77,434.15 = 42,539.71/x
  3. Step 3: Cross multiply
    56,184.36x = 77,434.15 × 42,539.71
  4. Step 4: Simplify right side
    56,184.36x = 3,294,026,285.10
  5. Step 5: Solve for x
    x = 3,294,026,285.10/56,184.36
  6. Step 6: Final answer
    x = 58,628.88

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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.