Home / 124,002.71-171,137.10-70,281.95

Finding the Fourth Proportional to 124,002.71, 171,137.10 and 70,281.95

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Solution

The fourth proportional to 124,002.71, 171,137.10 and 70,281.95 is: 96,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,002.71 : 171,137.10 = 70,281.95 : x
  2. Step 2: Convert to fraction form
    124,002.71/171,137.10 = 70,281.95/x
  3. Step 3: Cross multiply
    124,002.71x = 171,137.10 × 70,281.95
  4. Step 4: Simplify right side
    124,002.71x = 12,027,849,105.35
  5. Step 5: Solve for x
    x = 12,027,849,105.35/124,002.71
  6. Step 6: Final answer
    x = 96,996.66

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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.