Home / 124,534.56-171,862.80-70,829.04

Finding the Fourth Proportional to 124,534.56, 171,862.80 and 70,829.04

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Solution

The fourth proportional to 124,534.56, 171,862.80 and 70,829.04 is: 97,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,534.56 : 171,862.80 = 70,829.04 : x
  2. Step 2: Convert to fraction form
    124,534.56/171,862.80 = 70,829.04/x
  3. Step 3: Cross multiply
    124,534.56x = 171,862.80 × 70,829.04
  4. Step 4: Simplify right side
    124,534.56x = 12,172,877,135.71
  5. Step 5: Solve for x
    x = 12,172,877,135.71/124,534.56
  6. Step 6: Final answer
    x = 97,746.98

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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.