Home / 64,537.38-89,036.70-47,581.92

Finding the Fourth Proportional to 64,537.38, 89,036.70 and 47,581.92

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Solution

The fourth proportional to 64,537.38, 89,036.70 and 47,581.92 is: 65,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,537.38 : 89,036.70 = 47,581.92 : x
  2. Step 2: Convert to fraction form
    64,537.38/89,036.70 = 47,581.92/x
  3. Step 3: Cross multiply
    64,537.38x = 89,036.70 × 47,581.92
  4. Step 4: Simplify right side
    64,537.38x = 4,236,537,136.46
  5. Step 5: Solve for x
    x = 4,236,537,136.46/64,537.38
  6. Step 6: Final answer
    x = 65,644.70

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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.