Home / 124,605.20-171,949.17-70,885.16

Finding the Fourth Proportional to 124,605.20, 171,949.17 and 70,885.16

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Solution

The fourth proportional to 124,605.20, 171,949.17 and 70,885.16 is: 97,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,605.20 : 171,949.17 = 70,885.16 : x
  2. Step 2: Convert to fraction form
    124,605.20/171,949.17 = 70,885.16/x
  3. Step 3: Cross multiply
    124,605.20x = 171,949.17 × 70,885.16
  4. Step 4: Simplify right side
    124,605.20x = 12,188,644,427.32
  5. Step 5: Solve for x
    x = 12,188,644,427.32/124,605.20
  6. Step 6: Final answer
    x = 97,818.10

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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.