Home / 90,686.75-136,029.95-24,126.95

Finding the Fourth Proportional to 90,686.75, 136,029.95 and 24,126.95

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Solution

The fourth proportional to 90,686.75, 136,029.95 and 24,126.95 is: 36,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,686.75 : 136,029.95 = 24,126.95 : x
  2. Step 2: Convert to fraction form
    90,686.75/136,029.95 = 24,126.95/x
  3. Step 3: Cross multiply
    90,686.75x = 136,029.95 × 24,126.95
  4. Step 4: Simplify right side
    90,686.75x = 3,281,987,001.37
  5. Step 5: Solve for x
    x = 3,281,987,001.37/90,686.75
  6. Step 6: Final answer
    x = 36,190.37

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1.5x scale

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.