Home / 125,266.23-172,876.41-77,547.24

Finding the Fourth Proportional to 125,266.23, 172,876.41 and 77,547.24

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Solution

The fourth proportional to 125,266.23, 172,876.41 and 77,547.24 is: 107,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,266.23 : 172,876.41 = 77,547.24 : x
  2. Step 2: Convert to fraction form
    125,266.23/172,876.41 = 77,547.24/x
  3. Step 3: Cross multiply
    125,266.23x = 172,876.41 × 77,547.24
  4. Step 4: Simplify right side
    125,266.23x = 13,406,088,456.61
  5. Step 5: Solve for x
    x = 13,406,088,456.61/125,266.23
  6. Step 6: Final answer
    x = 107,020.77

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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.