Home / 85,941.19-118,620.63-58,728.28

Finding the Fourth Proportional to 85,941.19, 118,620.63 and 58,728.28

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Solution

The fourth proportional to 85,941.19, 118,620.63 and 58,728.28 is: 81,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,941.19 : 118,620.63 = 58,728.28 : x
  2. Step 2: Convert to fraction form
    85,941.19/118,620.63 = 58,728.28/x
  3. Step 3: Cross multiply
    85,941.19x = 118,620.63 × 58,728.28
  4. Step 4: Simplify right side
    85,941.19x = 6,966,385,572.42
  5. Step 5: Solve for x
    x = 6,966,385,572.42/85,941.19
  6. Step 6: Final answer
    x = 81,059.92

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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.