Home / 89,598.52-123,639.10-51,357.61

Finding the Fourth Proportional to 89,598.52, 123,639.10 and 51,357.61

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Solution

The fourth proportional to 89,598.52, 123,639.10 and 51,357.61 is: 70,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,598.52 : 123,639.10 = 51,357.61 : x
  2. Step 2: Convert to fraction form
    89,598.52/123,639.10 = 51,357.61/x
  3. Step 3: Cross multiply
    89,598.52x = 123,639.10 × 51,357.61
  4. Step 4: Simplify right side
    89,598.52x = 6,349,808,678.55
  5. Step 5: Solve for x
    x = 6,349,808,678.55/89,598.52
  6. Step 6: Final answer
    x = 70,869.57

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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.