Home / 73,925.50-102,017.28-40,391.50

Finding the Fourth Proportional to 73,925.50, 102,017.28 and 40,391.50

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Solution

The fourth proportional to 73,925.50, 102,017.28 and 40,391.50 is: 55,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,925.50 : 102,017.28 = 40,391.50 : x
  2. Step 2: Convert to fraction form
    73,925.50/102,017.28 = 40,391.50/x
  3. Step 3: Cross multiply
    73,925.50x = 102,017.28 × 40,391.50
  4. Step 4: Simplify right side
    73,925.50x = 4,120,630,965.12
  5. Step 5: Solve for x
    x = 4,120,630,965.12/73,925.50
  6. Step 6: Final answer
    x = 55,740.32

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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.