Home / 124,684.41-172,065.58-70,972.88

Finding the Fourth Proportional to 124,684.41, 172,065.58 and 70,972.88

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Solution

The fourth proportional to 124,684.41, 172,065.58 and 70,972.88 is: 97,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,684.41 : 172,065.58 = 70,972.88 : x
  2. Step 2: Convert to fraction form
    124,684.41/172,065.58 = 70,972.88/x
  3. Step 3: Cross multiply
    124,684.41x = 172,065.58 × 70,972.88
  4. Step 4: Simplify right side
    124,684.41x = 12,211,989,761.47
  5. Step 5: Solve for x
    x = 12,211,989,761.47/124,684.41
  6. Step 6: Final answer
    x = 97,943.20

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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.