Home / 85,938.42-118,566.54-51,957.30

Finding the Fourth Proportional to 85,938.42, 118,566.54 and 51,957.30

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Solution

The fourth proportional to 85,938.42, 118,566.54 and 51,957.30 is: 71,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,938.42 : 118,566.54 = 51,957.30 : x
  2. Step 2: Convert to fraction form
    85,938.42/118,566.54 = 51,957.30/x
  3. Step 3: Cross multiply
    85,938.42x = 118,566.54 × 51,957.30
  4. Step 4: Simplify right side
    85,938.42x = 6,160,397,288.74
  5. Step 5: Solve for x
    x = 6,160,397,288.74/85,938.42
  6. Step 6: Final answer
    x = 71,683.86

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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.