Home / 124,629.17-171,982.26-70,909.16

Finding the Fourth Proportional to 124,629.17, 171,982.26 and 70,909.16

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Solution

The fourth proportional to 124,629.17, 171,982.26 and 70,909.16 is: 97,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,629.17 : 171,982.26 = 70,909.16 : x
  2. Step 2: Convert to fraction form
    124,629.17/171,982.26 = 70,909.16/x
  3. Step 3: Cross multiply
    124,629.17x = 171,982.26 × 70,909.16
  4. Step 4: Simplify right side
    124,629.17x = 12,195,116,731.59
  5. Step 5: Solve for x
    x = 12,195,116,731.59/124,629.17
  6. Step 6: Final answer
    x = 97,851.23

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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.