Home / 125,316.08-172,945.35-71,599.93

Finding the Fourth Proportional to 125,316.08, 172,945.35 and 71,599.93

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Solution

The fourth proportional to 125,316.08, 172,945.35 and 71,599.93 is: 98,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,316.08 : 172,945.35 = 71,599.93 : x
  2. Step 2: Convert to fraction form
    125,316.08/172,945.35 = 71,599.93/x
  3. Step 3: Cross multiply
    125,316.08x = 172,945.35 × 71,599.93
  4. Step 4: Simplify right side
    125,316.08x = 12,382,873,731.10
  5. Step 5: Solve for x
    x = 12,382,873,731.10/125,316.08
  6. Step 6: Final answer
    x = 98,813.13

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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.