Home / 123,547.12-170,503.70-69,832.52

Finding the Fourth Proportional to 123,547.12, 170,503.70 and 69,832.52

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Solution

The fourth proportional to 123,547.12, 170,503.70 and 69,832.52 is: 96,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,547.12 : 170,503.70 = 69,832.52 : x
  2. Step 2: Convert to fraction form
    123,547.12/170,503.70 = 69,832.52/x
  3. Step 3: Cross multiply
    123,547.12x = 170,503.70 × 69,832.52
  4. Step 4: Simplify right side
    123,547.12x = 11,906,703,857.34
  5. Step 5: Solve for x
    x = 11,906,703,857.34/123,547.12
  6. Step 6: Final answer
    x = 96,373.78

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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.