Home / 75,127.67-103,681.18-43,298.62

Finding the Fourth Proportional to 75,127.67, 103,681.18 and 43,298.62

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Solution

The fourth proportional to 75,127.67, 103,681.18 and 43,298.62 is: 59,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.67 : 103,681.18 = 43,298.62 : x
  2. Step 2: Convert to fraction form
    75,127.67/103,681.18 = 43,298.62/x
  3. Step 3: Cross multiply
    75,127.67x = 103,681.18 × 43,298.62
  4. Step 4: Simplify right side
    75,127.67x = 4,489,252,013.97
  5. Step 5: Solve for x
    x = 4,489,252,013.97/75,127.67
  6. Step 6: Final answer
    x = 59,754.97

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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.