Home / 88,084.70-121,535.79-50,349.50

Finding the Fourth Proportional to 88,084.70, 121,535.79 and 50,349.50

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Solution

The fourth proportional to 88,084.70, 121,535.79 and 50,349.50 is: 69,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,084.70 : 121,535.79 = 50,349.50 : x
  2. Step 2: Convert to fraction form
    88,084.70/121,535.79 = 50,349.50/x
  3. Step 3: Cross multiply
    88,084.70x = 121,535.79 × 50,349.50
  4. Step 4: Simplify right side
    88,084.70x = 6,119,265,650.93
  5. Step 5: Solve for x
    x = 6,119,265,650.93/88,084.70
  6. Step 6: Final answer
    x = 69,470.25

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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.