Home / 83,664.34-125,459.67-39,303.70

Finding the Fourth Proportional to 83,664.34, 125,459.67 and 39,303.70

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Solution

The fourth proportional to 83,664.34, 125,459.67 and 39,303.70 is: 58,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.34 : 125,459.67 = 39,303.70 : x
  2. Step 2: Convert to fraction form
    83,664.34/125,459.67 = 39,303.70/x
  3. Step 3: Cross multiply
    83,664.34x = 125,459.67 × 39,303.70
  4. Step 4: Simplify right side
    83,664.34x = 4,931,029,231.78
  5. Step 5: Solve for x
    x = 4,931,029,231.78/83,664.34
  6. Step 6: Final answer
    x = 58,938.24

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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.