Home / 74,351.34-102,601.35-40,359.06

Finding the Fourth Proportional to 74,351.34, 102,601.35 and 40,359.06

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Solution

The fourth proportional to 74,351.34, 102,601.35 and 40,359.06 is: 55,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351.34 : 102,601.35 = 40,359.06 : x
  2. Step 2: Convert to fraction form
    74,351.34/102,601.35 = 40,359.06/x
  3. Step 3: Cross multiply
    74,351.34x = 102,601.35 × 40,359.06
  4. Step 4: Simplify right side
    74,351.34x = 4,140,894,040.73
  5. Step 5: Solve for x
    x = 4,140,894,040.73/74,351.34
  6. Step 6: Final answer
    x = 55,693.60

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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.