Home / 47,701.60-71,552.40-43,108.90

Finding the Fourth Proportional to 47,701.60, 71,552.40 and 43,108.90

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Solution

The fourth proportional to 47,701.60, 71,552.40 and 43,108.90 is: 64,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701.60 : 71,552.40 = 43,108.90 : x
  2. Step 2: Convert to fraction form
    47,701.60/71,552.40 = 43,108.90/x
  3. Step 3: Cross multiply
    47,701.60x = 71,552.40 × 43,108.90
  4. Step 4: Simplify right side
    47,701.60x = 3,084,545,256.36
  5. Step 5: Solve for x
    x = 3,084,545,256.36/47,701.60
  6. Step 6: Final answer
    x = 64,663.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.