Home / 51,117.40-76,683.66-26,171.56

Finding the Fourth Proportional to 51,117.40, 76,683.66 and 26,171.56

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Solution

The fourth proportional to 51,117.40, 76,683.66 and 26,171.56 is: 39,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.40 : 76,683.66 = 26,171.56 : x
  2. Step 2: Convert to fraction form
    51,117.40/76,683.66 = 26,171.56/x
  3. Step 3: Cross multiply
    51,117.40x = 76,683.66 × 26,171.56
  4. Step 4: Simplify right side
    51,117.40x = 2,006,931,008.71
  5. Step 5: Solve for x
    x = 2,006,931,008.71/51,117.40
  6. Step 6: Final answer
    x = 39,261.21

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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.