Home / 54,240.19-74,798.87-42,299.17

Finding the Fourth Proportional to 54,240.19, 74,798.87 and 42,299.17

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Solution

The fourth proportional to 54,240.19, 74,798.87 and 42,299.17 is: 58,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,240.19 : 74,798.87 = 42,299.17 : x
  2. Step 2: Convert to fraction form
    54,240.19/74,798.87 = 42,299.17/x
  3. Step 3: Cross multiply
    54,240.19x = 74,798.87 × 42,299.17
  4. Step 4: Simplify right side
    54,240.19x = 3,163,930,117.94
  5. Step 5: Solve for x
    x = 3,163,930,117.94/54,240.19
  6. Step 6: Final answer
    x = 58,331.84

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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.