Home / 88,629.95-122,309.71-48,344.58

Finding the Fourth Proportional to 88,629.95, 122,309.71 and 48,344.58

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Solution

The fourth proportional to 88,629.95, 122,309.71 and 48,344.58 is: 66,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.95 : 122,309.71 = 48,344.58 : x
  2. Step 2: Convert to fraction form
    88,629.95/122,309.71 = 48,344.58/x
  3. Step 3: Cross multiply
    88,629.95x = 122,309.71 × 48,344.58
  4. Step 4: Simplify right side
    88,629.95x = 5,913,011,439.01
  5. Step 5: Solve for x
    x = 5,913,011,439.01/88,629.95
  6. Step 6: Final answer
    x = 66,715.72

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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.