Home / 88,111.54-121,594.80-47,825.65

Finding the Fourth Proportional to 88,111.54, 121,594.80 and 47,825.65

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Solution

The fourth proportional to 88,111.54, 121,594.80 and 47,825.65 is: 65,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,111.54 : 121,594.80 = 47,825.65 : x
  2. Step 2: Convert to fraction form
    88,111.54/121,594.80 = 47,825.65/x
  3. Step 3: Cross multiply
    88,111.54x = 121,594.80 × 47,825.65
  4. Step 4: Simplify right side
    88,111.54x = 5,815,350,346.62
  5. Step 5: Solve for x
    x = 5,815,350,346.62/88,111.54
  6. Step 6: Final answer
    x = 65,999.87

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1.5x scale

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.