Home / 90,969.67-125,437.84-62,294.05

Finding the Fourth Proportional to 90,969.67, 125,437.84 and 62,294.05

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Solution

The fourth proportional to 90,969.67, 125,437.84 and 62,294.05 is: 85,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,969.67 : 125,437.84 = 62,294.05 : x
  2. Step 2: Convert to fraction form
    90,969.67/125,437.84 = 62,294.05/x
  3. Step 3: Cross multiply
    90,969.67x = 125,437.84 × 62,294.05
  4. Step 4: Simplify right side
    90,969.67x = 7,814,031,076.85
  5. Step 5: Solve for x
    x = 7,814,031,076.85/90,969.67
  6. Step 6: Final answer
    x = 85,897.10

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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.