Home / 66,292.03-91,514.28-42,432.54

Finding the Fourth Proportional to 66,292.03, 91,514.28 and 42,432.54

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Solution

The fourth proportional to 66,292.03, 91,514.28 and 42,432.54 is: 58,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,292.03 : 91,514.28 = 42,432.54 : x
  2. Step 2: Convert to fraction form
    66,292.03/91,514.28 = 42,432.54/x
  3. Step 3: Cross multiply
    66,292.03x = 91,514.28 × 42,432.54
  4. Step 4: Simplify right side
    66,292.03x = 3,883,183,346.67
  5. Step 5: Solve for x
    x = 3,883,183,346.67/66,292.03
  6. Step 6: Final answer
    x = 58,576.93

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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.