Home / 124,784.98-172,203.22-71,070.02

Finding the Fourth Proportional to 124,784.98, 172,203.22 and 71,070.02

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Solution

The fourth proportional to 124,784.98, 172,203.22 and 71,070.02 is: 98,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,784.98 : 172,203.22 = 71,070.02 : x
  2. Step 2: Convert to fraction form
    124,784.98/172,203.22 = 71,070.02/x
  3. Step 3: Cross multiply
    124,784.98x = 172,203.22 × 71,070.02
  4. Step 4: Simplify right side
    124,784.98x = 12,238,486,289.46
  5. Step 5: Solve for x
    x = 12,238,486,289.46/124,784.98
  6. Step 6: Final answer
    x = 98,076.60

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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.