Home / 90,734.80-125,178.04-52,487.25

Finding the Fourth Proportional to 90,734.80, 125,178.04 and 52,487.25

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Solution

The fourth proportional to 90,734.80, 125,178.04 and 52,487.25 is: 72,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.80 : 125,178.04 = 52,487.25 : x
  2. Step 2: Convert to fraction form
    90,734.80/125,178.04 = 52,487.25/x
  3. Step 3: Cross multiply
    90,734.80x = 125,178.04 × 52,487.25
  4. Step 4: Simplify right side
    90,734.80x = 6,570,250,948.77
  5. Step 5: Solve for x
    x = 6,570,250,948.77/90,734.80
  6. Step 6: Final answer
    x = 72,411.59

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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.