Home / 98,588.75-136,065.57-55,576.38

Finding the Fourth Proportional to 98,588.75, 136,065.57 and 55,576.38

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Solution

The fourth proportional to 98,588.75, 136,065.57 and 55,576.38 is: 76,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,588.75 : 136,065.57 = 55,576.38 : x
  2. Step 2: Convert to fraction form
    98,588.75/136,065.57 = 55,576.38/x
  3. Step 3: Cross multiply
    98,588.75x = 136,065.57 × 55,576.38
  4. Step 4: Simplify right side
    98,588.75x = 7,562,031,672.32
  5. Step 5: Solve for x
    x = 7,562,031,672.32/98,588.75
  6. Step 6: Final answer
    x = 76,702.79

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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.