Home / 77,632.74-116,366.04-40,155.07

Finding the Fourth Proportional to 77,632.74, 116,366.04 and 40,155.07

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Solution

The fourth proportional to 77,632.74, 116,366.04 and 40,155.07 is: 60,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632.74 : 116,366.04 = 40,155.07 : x
  2. Step 2: Convert to fraction form
    77,632.74/116,366.04 = 40,155.07/x
  3. Step 3: Cross multiply
    77,632.74x = 116,366.04 × 40,155.07
  4. Step 4: Simplify right side
    77,632.74x = 4,672,686,481.82
  5. Step 5: Solve for x
    x = 4,672,686,481.82/77,632.74
  6. Step 6: Final answer
    x = 60,189.64

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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.