Home / 66,969.15-100,453.73-52,189.13

Finding the Fourth Proportional to 66,969.15, 100,453.73 and 52,189.13

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Solution

The fourth proportional to 66,969.15, 100,453.73 and 52,189.13 is: 78,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,969.15 : 100,453.73 = 52,189.13 : x
  2. Step 2: Convert to fraction form
    66,969.15/100,453.73 = 52,189.13/x
  3. Step 3: Cross multiply
    66,969.15x = 100,453.73 × 52,189.13
  4. Step 4: Simplify right side
    66,969.15x = 5,242,592,010.74
  5. Step 5: Solve for x
    x = 5,242,592,010.74/66,969.15
  6. Step 6: Final answer
    x = 78,283.69

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1.5x scale

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.