Home / 66,925.31-100,543.48-39,242.75

Finding the Fourth Proportional to 66,925.31, 100,543.48 and 39,242.75

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Solution

The fourth proportional to 66,925.31, 100,543.48 and 39,242.75 is: 58,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.31 : 100,543.48 = 39,242.75 : x
  2. Step 2: Convert to fraction form
    66,925.31/100,543.48 = 39,242.75/x
  3. Step 3: Cross multiply
    66,925.31x = 100,543.48 × 39,242.75
  4. Step 4: Simplify right side
    66,925.31x = 3,945,602,048.95
  5. Step 5: Solve for x
    x = 3,945,602,048.95/66,925.31
  6. Step 6: Final answer
    x = 58,955.31

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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.