Home / 74,560.40-102,955.60-49,521.68

Finding the Fourth Proportional to 74,560.40, 102,955.60 and 49,521.68

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Solution

The fourth proportional to 74,560.40, 102,955.60 and 49,521.68 is: 68,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,560.40 : 102,955.60 = 49,521.68 : x
  2. Step 2: Convert to fraction form
    74,560.40/102,955.60 = 49,521.68/x
  3. Step 3: Cross multiply
    74,560.40x = 102,955.60 × 49,521.68
  4. Step 4: Simplify right side
    74,560.40x = 5,098,534,277.41
  5. Step 5: Solve for x
    x = 5,098,534,277.41/74,560.40
  6. Step 6: Final answer
    x = 68,381.26

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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.