Home / 66,847.18-92,246.40-39,973.84

Finding the Fourth Proportional to 66,847.18, 92,246.40 and 39,973.84

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Solution

The fourth proportional to 66,847.18, 92,246.40 and 39,973.84 is: 55,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.18 : 92,246.40 = 39,973.84 : x
  2. Step 2: Convert to fraction form
    66,847.18/92,246.40 = 39,973.84/x
  3. Step 3: Cross multiply
    66,847.18x = 92,246.40 × 39,973.84
  4. Step 4: Simplify right side
    66,847.18x = 3,687,442,834.18
  5. Step 5: Solve for x
    x = 3,687,442,834.18/66,847.18
  6. Step 6: Final answer
    x = 55,162.28

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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.