Home / 77,623.68-116,436.26-42,544.20

Finding the Fourth Proportional to 77,623.68, 116,436.26 and 42,544.20

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Solution

The fourth proportional to 77,623.68, 116,436.26 and 42,544.20 is: 63,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,623.68 : 116,436.26 = 42,544.20 : x
  2. Step 2: Convert to fraction form
    77,623.68/116,436.26 = 42,544.20/x
  3. Step 3: Cross multiply
    77,623.68x = 116,436.26 × 42,544.20
  4. Step 4: Simplify right side
    77,623.68x = 4,953,687,532.69
  5. Step 5: Solve for x
    x = 4,953,687,532.69/77,623.68
  6. Step 6: Final answer
    x = 63,816.71

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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.