Home / 76,520.85-105,593.68-42,527.13

Finding the Fourth Proportional to 76,520.85, 105,593.68 and 42,527.13

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Solution

The fourth proportional to 76,520.85, 105,593.68 and 42,527.13 is: 58,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,520.85 : 105,593.68 = 42,527.13 : x
  2. Step 2: Convert to fraction form
    76,520.85/105,593.68 = 42,527.13/x
  3. Step 3: Cross multiply
    76,520.85x = 105,593.68 × 42,527.13
  4. Step 4: Simplify right side
    76,520.85x = 4,490,595,574.51
  5. Step 5: Solve for x
    x = 4,490,595,574.51/76,520.85
  6. Step 6: Final answer
    x = 58,684.60

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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.