Home / 62,445.20-86,174.28-34,150.88

Finding the Fourth Proportional to 62,445.20, 86,174.28 and 34,150.88

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Solution

The fourth proportional to 62,445.20, 86,174.28 and 34,150.88 is: 47,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,445.20 : 86,174.28 = 34,150.88 : x
  2. Step 2: Convert to fraction form
    62,445.20/86,174.28 = 34,150.88/x
  3. Step 3: Cross multiply
    62,445.20x = 86,174.28 × 34,150.88
  4. Step 4: Simplify right side
    62,445.20x = 2,942,927,495.37
  5. Step 5: Solve for x
    x = 2,942,927,495.37/62,445.20
  6. Step 6: Final answer
    x = 47,128.16

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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.