Home / 89,370.02-123,279.15-53,539.28

Finding the Fourth Proportional to 89,370.02, 123,279.15 and 53,539.28

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Solution

The fourth proportional to 89,370.02, 123,279.15 and 53,539.28 is: 73,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,370.02 : 123,279.15 = 53,539.28 : x
  2. Step 2: Convert to fraction form
    89,370.02/123,279.15 = 53,539.28/x
  3. Step 3: Cross multiply
    89,370.02x = 123,279.15 × 53,539.28
  4. Step 4: Simplify right side
    89,370.02x = 6,600,276,045.92
  5. Step 5: Solve for x
    x = 6,600,276,045.92/89,370.02
  6. Step 6: Final answer
    x = 73,853.36

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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.