Home / 124,941.03-172,414.20-70,510.36

Finding the Fourth Proportional to 124,941.03, 172,414.20 and 70,510.36

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Solution

The fourth proportional to 124,941.03, 172,414.20 and 70,510.36 is: 97,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,941.03 : 172,414.20 = 70,510.36 : x
  2. Step 2: Convert to fraction form
    124,941.03/172,414.20 = 70,510.36/x
  3. Step 3: Cross multiply
    124,941.03x = 172,414.20 × 70,510.36
  4. Step 4: Simplify right side
    124,941.03x = 12,156,987,115.29
  5. Step 5: Solve for x
    x = 12,156,987,115.29/124,941.03
  6. Step 6: Final answer
    x = 97,301.80

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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.