Home / 102,121.70-140,923.40-59,094.36

Finding the Fourth Proportional to 102,121.70, 140,923.40 and 59,094.36

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Solution

The fourth proportional to 102,121.70, 140,923.40 and 59,094.36 is: 81,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,121.70 : 140,923.40 = 59,094.36 : x
  2. Step 2: Convert to fraction form
    102,121.70/140,923.40 = 59,094.36/x
  3. Step 3: Cross multiply
    102,121.70x = 140,923.40 × 59,094.36
  4. Step 4: Simplify right side
    102,121.70x = 8,327,777,836.55
  5. Step 5: Solve for x
    x = 8,327,777,836.55/102,121.70
  6. Step 6: Final answer
    x = 81,547.59

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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.