Home / 77,646.74-116,387.06-40,169.07

Finding the Fourth Proportional to 77,646.74, 116,387.06 and 40,169.07

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Solution

The fourth proportional to 77,646.74, 116,387.06 and 40,169.07 is: 60,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,646.74 : 116,387.06 = 40,169.07 : x
  2. Step 2: Convert to fraction form
    77,646.74/116,387.06 = 40,169.07/x
  3. Step 3: Cross multiply
    77,646.74x = 116,387.06 × 40,169.07
  4. Step 4: Simplify right side
    77,646.74x = 4,675,159,759.39
  5. Step 5: Solve for x
    x = 4,675,159,759.39/77,646.74
  6. Step 6: Final answer
    x = 60,210.64

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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.