Home / 90,566.53-124,947.53-66,750.13

Finding the Fourth Proportional to 90,566.53, 124,947.53 and 66,750.13

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Solution

The fourth proportional to 90,566.53, 124,947.53 and 66,750.13 is: 92,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.53 : 124,947.53 = 66,750.13 : x
  2. Step 2: Convert to fraction form
    90,566.53/124,947.53 = 66,750.13/x
  3. Step 3: Cross multiply
    90,566.53x = 124,947.53 × 66,750.13
  4. Step 4: Simplify right side
    90,566.53x = 8,340,263,536.93
  5. Step 5: Solve for x
    x = 8,340,263,536.93/90,566.53
  6. Step 6: Final answer
    x = 92,089.91

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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.