Home / 56,088.74-77,397.08-30,936.62

Finding the Fourth Proportional to 56,088.74, 77,397.08 and 30,936.62

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Solution

The fourth proportional to 56,088.74, 77,397.08 and 30,936.62 is: 42,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,088.74 : 77,397.08 = 30,936.62 : x
  2. Step 2: Convert to fraction form
    56,088.74/77,397.08 = 30,936.62/x
  3. Step 3: Cross multiply
    56,088.74x = 77,397.08 × 30,936.62
  4. Step 4: Simplify right side
    56,088.74x = 2,394,404,091.88
  5. Step 5: Solve for x
    x = 2,394,404,091.88/56,088.74
  6. Step 6: Final answer
    x = 42,689.57

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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.