Home / 62,099.15-93,120.17-19,971.45

Finding the Fourth Proportional to 62,099.15, 93,120.17 and 19,971.45

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Solution

The fourth proportional to 62,099.15, 93,120.17 and 19,971.45 is: 29,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,099.15 : 93,120.17 = 19,971.45 : x
  2. Step 2: Convert to fraction form
    62,099.15/93,120.17 = 19,971.45/x
  3. Step 3: Cross multiply
    62,099.15x = 93,120.17 × 19,971.45
  4. Step 4: Simplify right side
    62,099.15x = 1,859,744,719.29
  5. Step 5: Solve for x
    x = 1,859,744,719.29/62,099.15
  6. Step 6: Final answer
    x = 29,947.99

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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.