Home / 97,680.59-134,760.67-61,360.69

Finding the Fourth Proportional to 97,680.59, 134,760.67 and 61,360.69

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Solution

The fourth proportional to 97,680.59, 134,760.67 and 61,360.69 is: 84,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,680.59 : 134,760.67 = 61,360.69 : x
  2. Step 2: Convert to fraction form
    97,680.59/134,760.67 = 61,360.69/x
  3. Step 3: Cross multiply
    97,680.59x = 134,760.67 × 61,360.69
  4. Step 4: Simplify right side
    97,680.59x = 8,269,007,879.56
  5. Step 5: Solve for x
    x = 8,269,007,879.56/97,680.59
  6. Step 6: Final answer
    x = 84,653.55

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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.