Home / 66,283.29-99,422.16-45,170.58

Finding the Fourth Proportional to 66,283.29, 99,422.16 and 45,170.58

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Solution

The fourth proportional to 66,283.29, 99,422.16 and 45,170.58 is: 67,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,283.29 : 99,422.16 = 45,170.58 : x
  2. Step 2: Convert to fraction form
    66,283.29/99,422.16 = 45,170.58/x
  3. Step 3: Cross multiply
    66,283.29x = 99,422.16 × 45,170.58
  4. Step 4: Simplify right side
    66,283.29x = 4,490,956,632.05
  5. Step 5: Solve for x
    x = 4,490,956,632.05/66,283.29
  6. Step 6: Final answer
    x = 67,753.98

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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.