Home / 88,423.86-121,792.40-67,966.75

Finding the Fourth Proportional to 88,423.86, 121,792.40 and 67,966.75

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Solution

The fourth proportional to 88,423.86, 121,792.40 and 67,966.75 is: 93,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,423.86 : 121,792.40 = 67,966.75 : x
  2. Step 2: Convert to fraction form
    88,423.86/121,792.40 = 67,966.75/x
  3. Step 3: Cross multiply
    88,423.86x = 121,792.40 × 67,966.75
  4. Step 4: Simplify right side
    88,423.86x = 8,277,833,262.87
  5. Step 5: Solve for x
    x = 8,277,833,262.87/88,423.86
  6. Step 6: Final answer
    x = 93,615.38

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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.