Home / 124,829.40-172,252.22-71,111.22

Finding the Fourth Proportional to 124,829.40, 172,252.22 and 71,111.22

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Solution

The fourth proportional to 124,829.40, 172,252.22 and 71,111.22 is: 98,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829.40 : 172,252.22 = 71,111.22 : x
  2. Step 2: Convert to fraction form
    124,829.40/172,252.22 = 71,111.22/x
  3. Step 3: Cross multiply
    124,829.40x = 172,252.22 × 71,111.22
  4. Step 4: Simplify right side
    124,829.40x = 12,249,064,910.41
  5. Step 5: Solve for x
    x = 12,249,064,910.41/124,829.40
  6. Step 6: Final answer
    x = 98,126.44

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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.