Home / 77,941.02-107,554.56-43,948.56

Finding the Fourth Proportional to 77,941.02, 107,554.56 and 43,948.56

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Solution

The fourth proportional to 77,941.02, 107,554.56 and 43,948.56 is: 60,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,941.02 : 107,554.56 = 43,948.56 : x
  2. Step 2: Convert to fraction form
    77,941.02/107,554.56 = 43,948.56/x
  3. Step 3: Cross multiply
    77,941.02x = 107,554.56 × 43,948.56
  4. Step 4: Simplify right side
    77,941.02x = 4,726,868,033.43
  5. Step 5: Solve for x
    x = 4,726,868,033.43/77,941.02
  6. Step 6: Final answer
    x = 60,646.73

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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.