Home / 83,928.42-125,830.98-39,530.16

Finding the Fourth Proportional to 83,928.42, 125,830.98 and 39,530.16

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Solution

The fourth proportional to 83,928.42, 125,830.98 and 39,530.16 is: 59,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,928.42 : 125,830.98 = 39,530.16 : x
  2. Step 2: Convert to fraction form
    83,928.42/125,830.98 = 39,530.16/x
  3. Step 3: Cross multiply
    83,928.42x = 125,830.98 × 39,530.16
  4. Step 4: Simplify right side
    83,928.42x = 4,974,118,772.36
  5. Step 5: Solve for x
    x = 4,974,118,772.36/83,928.42
  6. Step 6: Final answer
    x = 59,266.20

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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.