Home / 67,821.66-102,130.43-59,160.06

Finding the Fourth Proportional to 67,821.66, 102,130.43 and 59,160.06

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Solution

The fourth proportional to 67,821.66, 102,130.43 and 59,160.06 is: 89,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,821.66 : 102,130.43 = 59,160.06 : x
  2. Step 2: Convert to fraction form
    67,821.66/102,130.43 = 59,160.06/x
  3. Step 3: Cross multiply
    67,821.66x = 102,130.43 × 59,160.06
  4. Step 4: Simplify right side
    67,821.66x = 6,042,042,070.83
  5. Step 5: Solve for x
    x = 6,042,042,070.83/67,821.66
  6. Step 6: Final answer
    x = 89,087.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.