Home / 92,767.20-128,018.76-52,480.08

Finding the Fourth Proportional to 92,767.20, 128,018.76 and 52,480.08

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Solution

The fourth proportional to 92,767.20, 128,018.76 and 52,480.08 is: 72,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,767.20 : 128,018.76 = 52,480.08 : x
  2. Step 2: Convert to fraction form
    92,767.20/128,018.76 = 52,480.08/x
  3. Step 3: Cross multiply
    92,767.20x = 128,018.76 × 52,480.08
  4. Step 4: Simplify right side
    92,767.20x = 6,718,434,766.30
  5. Step 5: Solve for x
    x = 6,718,434,766.30/92,767.20
  6. Step 6: Final answer
    x = 72,422.52

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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.