Home / 89,347.80-123,122.25-63,782.04

Finding the Fourth Proportional to 89,347.80, 123,122.25 and 63,782.04

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Solution

The fourth proportional to 89,347.80, 123,122.25 and 63,782.04 is: 87,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,347.80 : 123,122.25 = 63,782.04 : x
  2. Step 2: Convert to fraction form
    89,347.80/123,122.25 = 63,782.04/x
  3. Step 3: Cross multiply
    89,347.80x = 123,122.25 × 63,782.04
  4. Step 4: Simplify right side
    89,347.80x = 7,852,988,274.39
  5. Step 5: Solve for x
    x = 7,852,988,274.39/89,347.80
  6. Step 6: Final answer
    x = 87,892.35

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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.