Home / 89,507.48-123,513.02-52,707.88

Finding the Fourth Proportional to 89,507.48, 123,513.02 and 52,707.88

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Solution

The fourth proportional to 89,507.48, 123,513.02 and 52,707.88 is: 72,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,507.48 : 123,513.02 = 52,707.88 : x
  2. Step 2: Convert to fraction form
    89,507.48/123,513.02 = 52,707.88/x
  3. Step 3: Cross multiply
    89,507.48x = 123,513.02 × 52,707.88
  4. Step 4: Simplify right side
    89,507.48x = 6,510,109,436.60
  5. Step 5: Solve for x
    x = 6,510,109,436.60/89,507.48
  6. Step 6: Final answer
    x = 72,732.57

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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.