Home / 90,427.83-124,765.34-52,184.69

Finding the Fourth Proportional to 90,427.83, 124,765.34 and 52,184.69

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Solution

The fourth proportional to 90,427.83, 124,765.34 and 52,184.69 is: 72,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.83 : 124,765.34 = 52,184.69 : x
  2. Step 2: Convert to fraction form
    90,427.83/124,765.34 = 52,184.69/x
  3. Step 3: Cross multiply
    90,427.83x = 124,765.34 × 52,184.69
  4. Step 4: Simplify right side
    90,427.83x = 6,510,840,320.53
  5. Step 5: Solve for x
    x = 6,510,840,320.53/90,427.83
  6. Step 6: Final answer
    x = 72,000.41

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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.