Home / 63,045.03-87,008.28-47,101.80

Finding the Fourth Proportional to 63,045.03, 87,008.28 and 47,101.80

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Solution

The fourth proportional to 63,045.03, 87,008.28 and 47,101.80 is: 65,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,045.03 : 87,008.28 = 47,101.80 : x
  2. Step 2: Convert to fraction form
    63,045.03/87,008.28 = 47,101.80/x
  3. Step 3: Cross multiply
    63,045.03x = 87,008.28 × 47,101.80
  4. Step 4: Simplify right side
    63,045.03x = 4,098,246,752.55
  5. Step 5: Solve for x
    x = 4,098,246,752.55/63,045.03
  6. Step 6: Final answer
    x = 65,005.07

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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.