Home / 66,117.28-99,176.73-19,371.10

Finding the Fourth Proportional to 66,117.28, 99,176.73 and 19,371.10

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Solution

The fourth proportional to 66,117.28, 99,176.73 and 19,371.10 is: 29,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.28 : 99,176.73 = 19,371.10 : x
  2. Step 2: Convert to fraction form
    66,117.28/99,176.73 = 19,371.10/x
  3. Step 3: Cross multiply
    66,117.28x = 99,176.73 × 19,371.10
  4. Step 4: Simplify right side
    66,117.28x = 1,921,162,354.50
  5. Step 5: Solve for x
    x = 1,921,162,354.50/66,117.28
  6. Step 6: Final answer
    x = 29,056.89

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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.