Home / 99,642.27-149,307.71-62,628.51

Finding the Fourth Proportional to 99,642.27, 149,307.71 and 62,628.51

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Solution

The fourth proportional to 99,642.27, 149,307.71 and 62,628.51 is: 93,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642.27 : 149,307.71 = 62,628.51 : x
  2. Step 2: Convert to fraction form
    99,642.27/149,307.71 = 62,628.51/x
  3. Step 3: Cross multiply
    99,642.27x = 149,307.71 × 62,628.51
  4. Step 4: Simplify right side
    99,642.27x = 9,350,919,095.67
  5. Step 5: Solve for x
    x = 9,350,919,095.67/99,642.27
  6. Step 6: Final answer
    x = 93,844.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.