Home / 88,211.56-121,732.53-47,925.31

Finding the Fourth Proportional to 88,211.56, 121,732.53 and 47,925.31

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Solution

The fourth proportional to 88,211.56, 121,732.53 and 47,925.31 is: 66,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,211.56 : 121,732.53 = 47,925.31 : x
  2. Step 2: Convert to fraction form
    88,211.56/121,732.53 = 47,925.31/x
  3. Step 3: Cross multiply
    88,211.56x = 121,732.53 × 47,925.31
  4. Step 4: Simplify right side
    88,211.56x = 5,834,069,237.33
  5. Step 5: Solve for x
    x = 5,834,069,237.33/88,211.56
  6. Step 6: Final answer
    x = 66,137.24

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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.