Home / 77,200.28-106,527.42-43,210.65

Finding the Fourth Proportional to 77,200.28, 106,527.42 and 43,210.65

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Solution

The fourth proportional to 77,200.28, 106,527.42 and 43,210.65 is: 59,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,200.28 : 106,527.42 = 43,210.65 : x
  2. Step 2: Convert to fraction form
    77,200.28/106,527.42 = 43,210.65/x
  3. Step 3: Cross multiply
    77,200.28x = 106,527.42 × 43,210.65
  4. Step 4: Simplify right side
    77,200.28x = 4,603,119,061.02
  5. Step 5: Solve for x
    x = 4,603,119,061.02/77,200.28
  6. Step 6: Final answer
    x = 59,625.68

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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.