Home / 87,320.56-130,887.58-49,799.84

Finding the Fourth Proportional to 87,320.56, 130,887.58 and 49,799.84

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Solution

The fourth proportional to 87,320.56, 130,887.58 and 49,799.84 is: 74,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320.56 : 130,887.58 = 49,799.84 : x
  2. Step 2: Convert to fraction form
    87,320.56/130,887.58 = 49,799.84/x
  3. Step 3: Cross multiply
    87,320.56x = 130,887.58 × 49,799.84
  4. Step 4: Simplify right side
    87,320.56x = 6,518,180,113.41
  5. Step 5: Solve for x
    x = 6,518,180,113.41/87,320.56
  6. Step 6: Final answer
    x = 74,646.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.