Home / 124,390.29-171,658.65-70,675.38

Finding the Fourth Proportional to 124,390.29, 171,658.65 and 70,675.38

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Solution

The fourth proportional to 124,390.29, 171,658.65 and 70,675.38 is: 97,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,390.29 : 171,658.65 = 70,675.38 : x
  2. Step 2: Convert to fraction form
    124,390.29/171,658.65 = 70,675.38/x
  3. Step 3: Cross multiply
    124,390.29x = 171,658.65 × 70,675.38
  4. Step 4: Simplify right side
    124,390.29x = 12,132,039,107.37
  5. Step 5: Solve for x
    x = 12,132,039,107.37/124,390.29
  6. Step 6: Final answer
    x = 97,532.04

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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.