Home / 85,681.18-118,243.73-47,440.73

Finding the Fourth Proportional to 85,681.18, 118,243.73 and 47,440.73

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Solution

The fourth proportional to 85,681.18, 118,243.73 and 47,440.73 is: 65,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,681.18 : 118,243.73 = 47,440.73 : x
  2. Step 2: Convert to fraction form
    85,681.18/118,243.73 = 47,440.73/x
  3. Step 3: Cross multiply
    85,681.18x = 118,243.73 × 47,440.73
  4. Step 4: Simplify right side
    85,681.18x = 5,609,569,283.33
  5. Step 5: Solve for x
    x = 5,609,569,283.33/85,681.18
  6. Step 6: Final answer
    x = 65,470.26

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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.