Home / 69,750.40-96,255.15-39,541.42

Finding the Fourth Proportional to 69,750.40, 96,255.15 and 39,541.42

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Solution

The fourth proportional to 69,750.40, 96,255.15 and 39,541.42 is: 54,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,750.40 : 96,255.15 = 39,541.42 : x
  2. Step 2: Convert to fraction form
    69,750.40/96,255.15 = 39,541.42/x
  3. Step 3: Cross multiply
    69,750.40x = 96,255.15 × 39,541.42
  4. Step 4: Simplify right side
    69,750.40x = 3,806,065,313.31
  5. Step 5: Solve for x
    x = 3,806,065,313.31/69,750.40
  6. Step 6: Final answer
    x = 54,566.93

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1.5x scale

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.