Home / 90,568.47-124,984.94-56,596.70

Finding the Fourth Proportional to 90,568.47, 124,984.94 and 56,596.70

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Solution

The fourth proportional to 90,568.47, 124,984.94 and 56,596.70 is: 78,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,568.47 : 124,984.94 = 56,596.70 : x
  2. Step 2: Convert to fraction form
    90,568.47/124,984.94 = 56,596.70/x
  3. Step 3: Cross multiply
    90,568.47x = 124,984.94 × 56,596.70
  4. Step 4: Simplify right side
    90,568.47x = 7,073,734,528.77
  5. Step 5: Solve for x
    x = 7,073,734,528.77/90,568.47
  6. Step 6: Final answer
    x = 78,103.72

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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.