Home / 102,094.35-153,141.52-31,979.13

Finding the Fourth Proportional to 102,094.35, 153,141.52 and 31,979.13

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Solution

The fourth proportional to 102,094.35, 153,141.52 and 31,979.13 is: 47,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,094.35 : 153,141.52 = 31,979.13 : x
  2. Step 2: Convert to fraction form
    102,094.35/153,141.52 = 31,979.13/x
  3. Step 3: Cross multiply
    102,094.35x = 153,141.52 × 31,979.13
  4. Step 4: Simplify right side
    102,094.35x = 4,897,332,576.48
  5. Step 5: Solve for x
    x = 4,897,332,576.48/102,094.35
  6. Step 6: Final answer
    x = 47,968.69

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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.