Home / 60,487.42-90,465.85-53,870.60

Finding the Fourth Proportional to 60,487.42, 90,465.85 and 53,870.60

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Solution

The fourth proportional to 60,487.42, 90,465.85 and 53,870.60 is: 80,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.42 : 90,465.85 = 53,870.60 : x
  2. Step 2: Convert to fraction form
    60,487.42/90,465.85 = 53,870.60/x
  3. Step 3: Cross multiply
    60,487.42x = 90,465.85 × 53,870.60
  4. Step 4: Simplify right side
    60,487.42x = 4,873,449,619.01
  5. Step 5: Solve for x
    x = 4,873,449,619.01/60,487.42
  6. Step 6: Final answer
    x = 80,569.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.