Home / 66,713.07-100,081.73-31,652.40

Finding the Fourth Proportional to 66,713.07, 100,081.73 and 31,652.40

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Solution

The fourth proportional to 66,713.07, 100,081.73 and 31,652.40 is: 47,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.07 : 100,081.73 = 31,652.40 : x
  2. Step 2: Convert to fraction form
    66,713.07/100,081.73 = 31,652.40/x
  3. Step 3: Cross multiply
    66,713.07x = 100,081.73 × 31,652.40
  4. Step 4: Simplify right side
    66,713.07x = 3,167,826,291.98
  5. Step 5: Solve for x
    x = 3,167,826,291.98/66,713.07
  6. Step 6: Final answer
    x = 47,484.35

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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.