Home / 90,658.23-125,072.52-52,410.74

Finding the Fourth Proportional to 90,658.23, 125,072.52 and 52,410.74

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Solution

The fourth proportional to 90,658.23, 125,072.52 and 52,410.74 is: 72,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,658.23 : 125,072.52 = 52,410.74 : x
  2. Step 2: Convert to fraction form
    90,658.23/125,072.52 = 52,410.74/x
  3. Step 3: Cross multiply
    90,658.23x = 125,072.52 × 52,410.74
  4. Step 4: Simplify right side
    90,658.23x = 6,555,143,326.86
  5. Step 5: Solve for x
    x = 6,555,143,326.86/90,658.23
  6. Step 6: Final answer
    x = 72,306.10

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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.