Home / 62,712.60-86,543.04-34,417.68

Finding the Fourth Proportional to 62,712.60, 86,543.04 and 34,417.68

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Solution

The fourth proportional to 62,712.60, 86,543.04 and 34,417.68 is: 47,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,712.60 : 86,543.04 = 34,417.68 : x
  2. Step 2: Convert to fraction form
    62,712.60/86,543.04 = 34,417.68/x
  3. Step 3: Cross multiply
    62,712.60x = 86,543.04 × 34,417.68
  4. Step 4: Simplify right side
    62,712.60x = 2,978,610,656.95
  5. Step 5: Solve for x
    x = 2,978,610,656.95/62,712.60
  6. Step 6: Final answer
    x = 47,496.21

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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.