Home / 124,036.58-171,156.21-70,310.90

Finding the Fourth Proportional to 124,036.58, 171,156.21 and 70,310.90

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Solution

The fourth proportional to 124,036.58, 171,156.21 and 70,310.90 is: 97,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,036.58 : 171,156.21 = 70,310.90 : x
  2. Step 2: Convert to fraction form
    124,036.58/171,156.21 = 70,310.90/x
  3. Step 3: Cross multiply
    124,036.58x = 171,156.21 × 70,310.90
  4. Step 4: Simplify right side
    124,036.58x = 12,034,146,309.91
  5. Step 5: Solve for x
    x = 12,034,146,309.91/124,036.58
  6. Step 6: Final answer
    x = 97,020.95

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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.