Home / 101,971.16-152,799.55-54,592.54

Finding the Fourth Proportional to 101,971.16, 152,799.55 and 54,592.54

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Solution

The fourth proportional to 101,971.16, 152,799.55 and 54,592.54 is: 81,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971.16 : 152,799.55 = 54,592.54 : x
  2. Step 2: Convert to fraction form
    101,971.16/152,799.55 = 54,592.54/x
  3. Step 3: Cross multiply
    101,971.16x = 152,799.55 × 54,592.54
  4. Step 4: Simplify right side
    101,971.16x = 8,341,715,545.36
  5. Step 5: Solve for x
    x = 8,341,715,545.36/101,971.16
  6. Step 6: Final answer
    x = 81,804.65

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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.