Home / 58,899.62-81,311.56-45,440.66

Finding the Fourth Proportional to 58,899.62, 81,311.56 and 45,440.66

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Solution

The fourth proportional to 58,899.62, 81,311.56 and 45,440.66 is: 62,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,899.62 : 81,311.56 = 45,440.66 : x
  2. Step 2: Convert to fraction form
    58,899.62/81,311.56 = 45,440.66/x
  3. Step 3: Cross multiply
    58,899.62x = 81,311.56 × 45,440.66
  4. Step 4: Simplify right side
    58,899.62x = 3,694,851,041.71
  5. Step 5: Solve for x
    x = 3,694,851,041.71/58,899.62
  6. Step 6: Final answer
    x = 62,731.32

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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.