Home / 90,092.22-124,338.15-56,551.74

Finding the Fourth Proportional to 90,092.22, 124,338.15 and 56,551.74

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Solution

The fourth proportional to 90,092.22, 124,338.15 and 56,551.74 is: 78,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,092.22 : 124,338.15 = 56,551.74 : x
  2. Step 2: Convert to fraction form
    90,092.22/124,338.15 = 56,551.74/x
  3. Step 3: Cross multiply
    90,092.22x = 124,338.15 × 56,551.74
  4. Step 4: Simplify right side
    90,092.22x = 7,031,538,730.88
  5. Step 5: Solve for x
    x = 7,031,538,730.88/90,092.22
  6. Step 6: Final answer
    x = 78,048.23

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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.