Home / 84,515.52-126,897.48-47,148.60

Finding the Fourth Proportional to 84,515.52, 126,897.48 and 47,148.60

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Solution

The fourth proportional to 84,515.52, 126,897.48 and 47,148.60 is: 70,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,515.52 : 126,897.48 = 47,148.60 : x
  2. Step 2: Convert to fraction form
    84,515.52/126,897.48 = 47,148.60/x
  3. Step 3: Cross multiply
    84,515.52x = 126,897.48 × 47,148.60
  4. Step 4: Simplify right side
    84,515.52x = 5,983,038,525.53
  5. Step 5: Solve for x
    x = 5,983,038,525.53/84,515.52
  6. Step 6: Final answer
    x = 70,792.19

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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.