Home / 85,943.90-118,600.74-47,701.22

Finding the Fourth Proportional to 85,943.90, 118,600.74 and 47,701.22

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Solution

The fourth proportional to 85,943.90, 118,600.74 and 47,701.22 is: 65,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,943.90 : 118,600.74 = 47,701.22 : x
  2. Step 2: Convert to fraction form
    85,943.90/118,600.74 = 47,701.22/x
  3. Step 3: Cross multiply
    85,943.90x = 118,600.74 × 47,701.22
  4. Step 4: Simplify right side
    85,943.90x = 5,657,399,397.90
  5. Step 5: Solve for x
    x = 5,657,399,397.90/85,943.90
  6. Step 6: Final answer
    x = 65,826.65

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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.