Home / 124,372.13-171,638.16-70,666.24

Finding the Fourth Proportional to 124,372.13, 171,638.16 and 70,666.24

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Solution

The fourth proportional to 124,372.13, 171,638.16 and 70,666.24 is: 97,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,372.13 : 171,638.16 = 70,666.24 : x
  2. Step 2: Convert to fraction form
    124,372.13/171,638.16 = 70,666.24/x
  3. Step 3: Cross multiply
    124,372.13x = 171,638.16 × 70,666.24
  4. Step 4: Simplify right side
    124,372.13x = 12,129,023,243.62
  5. Step 5: Solve for x
    x = 12,129,023,243.62/124,372.13
  6. Step 6: Final answer
    x = 97,522.04

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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.