Home / 90,847.40-125,368.50-50,560.52

Finding the Fourth Proportional to 90,847.40, 125,368.50 and 50,560.52

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Solution

The fourth proportional to 90,847.40, 125,368.50 and 50,560.52 is: 69,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847.40 : 125,368.50 = 50,560.52 : x
  2. Step 2: Convert to fraction form
    90,847.40/125,368.50 = 50,560.52/x
  3. Step 3: Cross multiply
    90,847.40x = 125,368.50 × 50,560.52
  4. Step 4: Simplify right side
    90,847.40x = 6,338,696,551.62
  5. Step 5: Solve for x
    x = 6,338,696,551.62/90,847.40
  6. Step 6: Final answer
    x = 69,773.01

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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.