Home / 90,988.05-125,564.01-52,770.25

Finding the Fourth Proportional to 90,988.05, 125,564.01 and 52,770.25

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Solution

The fourth proportional to 90,988.05, 125,564.01 and 52,770.25 is: 72,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,988.05 : 125,564.01 = 52,770.25 : x
  2. Step 2: Convert to fraction form
    90,988.05/125,564.01 = 52,770.25/x
  3. Step 3: Cross multiply
    90,988.05x = 125,564.01 × 52,770.25
  4. Step 4: Simplify right side
    90,988.05x = 6,626,044,198.70
  5. Step 5: Solve for x
    x = 6,626,044,198.70/90,988.05
  6. Step 6: Final answer
    x = 72,823.24

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1.5x scale

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.