Home / 74,056.56-102,197.76-40,065.12

Finding the Fourth Proportional to 74,056.56, 102,197.76 and 40,065.12

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Solution

The fourth proportional to 74,056.56, 102,197.76 and 40,065.12 is: 55,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,056.56 : 102,197.76 = 40,065.12 : x
  2. Step 2: Convert to fraction form
    74,056.56/102,197.76 = 40,065.12/x
  3. Step 3: Cross multiply
    74,056.56x = 102,197.76 × 40,065.12
  4. Step 4: Simplify right side
    74,056.56x = 4,094,565,518.13
  5. Step 5: Solve for x
    x = 4,094,565,518.13/74,056.56
  6. Step 6: Final answer
    x = 55,289.71

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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.