Home / 66,925.06-100,543.10-39,242.50

Finding the Fourth Proportional to 66,925.06, 100,543.10 and 39,242.50

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Solution

The fourth proportional to 66,925.06, 100,543.10 and 39,242.50 is: 58,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.06 : 100,543.10 = 39,242.50 : x
  2. Step 2: Convert to fraction form
    66,925.06/100,543.10 = 39,242.50/x
  3. Step 3: Cross multiply
    66,925.06x = 100,543.10 × 39,242.50
  4. Step 4: Simplify right side
    66,925.06x = 3,945,562,601.75
  5. Step 5: Solve for x
    x = 3,945,562,601.75/66,925.06
  6. Step 6: Final answer
    x = 58,954.94

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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.