Home / 76,517.64-105,594.24-42,525.04

Finding the Fourth Proportional to 76,517.64, 105,594.24 and 42,525.04

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Solution

The fourth proportional to 76,517.64, 105,594.24 and 42,525.04 is: 58,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,517.64 : 105,594.24 = 42,525.04 : x
  2. Step 2: Convert to fraction form
    76,517.64/105,594.24 = 42,525.04/x
  3. Step 3: Cross multiply
    76,517.64x = 105,594.24 × 42,525.04
  4. Step 4: Simplify right side
    76,517.64x = 4,490,399,279.77
  5. Step 5: Solve for x
    x = 4,490,399,279.77/76,517.64
  6. Step 6: Final answer
    x = 58,684.50

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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.