Home / 87,106.80-130,550.02-49,688.02

Finding the Fourth Proportional to 87,106.80, 130,550.02 and 49,688.02

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Solution

The fourth proportional to 87,106.80, 130,550.02 and 49,688.02 is: 74,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,106.80 : 130,550.02 = 49,688.02 : x
  2. Step 2: Convert to fraction form
    87,106.80/130,550.02 = 49,688.02/x
  3. Step 3: Cross multiply
    87,106.80x = 130,550.02 × 49,688.02
  4. Step 4: Simplify right side
    87,106.80x = 6,486,772,004.76
  5. Step 5: Solve for x
    x = 6,486,772,004.76/87,106.80
  6. Step 6: Final answer
    x = 74,469.18

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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.