Home / 90,061.45-134,981.44-50,535.52

Finding the Fourth Proportional to 90,061.45, 134,981.44 and 50,535.52

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Solution

The fourth proportional to 90,061.45, 134,981.44 and 50,535.52 is: 75,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061.45 : 134,981.44 = 50,535.52 : x
  2. Step 2: Convert to fraction form
    90,061.45/134,981.44 = 50,535.52/x
  3. Step 3: Cross multiply
    90,061.45x = 134,981.44 × 50,535.52
  4. Step 4: Simplify right side
    90,061.45x = 6,821,356,333.16
  5. Step 5: Solve for x
    x = 6,821,356,333.16/90,061.45
  6. Step 6: Final answer
    x = 75,741.14

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1.5x scale

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.