Home / 88,827.52-122,570.18-57,039.48

Finding the Fourth Proportional to 88,827.52, 122,570.18 and 57,039.48

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Solution

The fourth proportional to 88,827.52, 122,570.18 and 57,039.48 is: 78,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,827.52 : 122,570.18 = 57,039.48 : x
  2. Step 2: Convert to fraction form
    88,827.52/122,570.18 = 57,039.48/x
  3. Step 3: Cross multiply
    88,827.52x = 122,570.18 × 57,039.48
  4. Step 4: Simplify right side
    88,827.52x = 6,991,339,330.71
  5. Step 5: Solve for x
    x = 6,991,339,330.71/88,827.52
  6. Step 6: Final answer
    x = 78,706.91

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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.