Home / 125,051.27-172,587.18-71,323.97

Finding the Fourth Proportional to 125,051.27, 172,587.18 and 71,323.97

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Solution

The fourth proportional to 125,051.27, 172,587.18 and 71,323.97 is: 98,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,051.27 : 172,587.18 = 71,323.97 : x
  2. Step 2: Convert to fraction form
    125,051.27/172,587.18 = 71,323.97/x
  3. Step 3: Cross multiply
    125,051.27x = 172,587.18 × 71,323.97
  4. Step 4: Simplify right side
    125,051.27x = 12,309,601,985.77
  5. Step 5: Solve for x
    x = 12,309,601,985.77/125,051.27
  6. Step 6: Final answer
    x = 98,436.45

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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.