Home / 63,553.12-87,706.95-38,410.72

Finding the Fourth Proportional to 63,553.12, 87,706.95 and 38,410.72

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Solution

The fourth proportional to 63,553.12, 87,706.95 and 38,410.72 is: 53,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,553.12 : 87,706.95 = 38,410.72 : x
  2. Step 2: Convert to fraction form
    63,553.12/87,706.95 = 38,410.72/x
  3. Step 3: Cross multiply
    63,553.12x = 87,706.95 × 38,410.72
  4. Step 4: Simplify right side
    63,553.12x = 3,368,887,098.50
  5. Step 5: Solve for x
    x = 3,368,887,098.50/63,553.12
  6. Step 6: Final answer
    x = 53,009.00

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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.