Home / 90,015.24-124,211.70-52,282.20

Finding the Fourth Proportional to 90,015.24, 124,211.70 and 52,282.20

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Solution

The fourth proportional to 90,015.24, 124,211.70 and 52,282.20 is: 72,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,015.24 : 124,211.70 = 52,282.20 : x
  2. Step 2: Convert to fraction form
    90,015.24/124,211.70 = 52,282.20/x
  3. Step 3: Cross multiply
    90,015.24x = 124,211.70 × 52,282.20
  4. Step 4: Simplify right side
    90,015.24x = 6,494,060,941.74
  5. Step 5: Solve for x
    x = 6,494,060,941.74/90,015.24
  6. Step 6: Final answer
    x = 72,144.02

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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.