Home / 69,653.02-96,123.15-40,974.79

Finding the Fourth Proportional to 69,653.02, 96,123.15 and 40,974.79

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Solution

The fourth proportional to 69,653.02, 96,123.15 and 40,974.79 is: 56,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,653.02 : 96,123.15 = 40,974.79 : x
  2. Step 2: Convert to fraction form
    69,653.02/96,123.15 = 40,974.79/x
  3. Step 3: Cross multiply
    69,653.02x = 96,123.15 × 40,974.79
  4. Step 4: Simplify right side
    69,653.02x = 3,938,625,885.39
  5. Step 5: Solve for x
    x = 3,938,625,885.39/69,653.02
  6. Step 6: Final answer
    x = 56,546.38

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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.