Home / 70,966.08-97,924.32-40,752.72

Finding the Fourth Proportional to 70,966.08, 97,924.32 and 40,752.72

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Solution

The fourth proportional to 70,966.08, 97,924.32 and 40,752.72 is: 56,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,966.08 : 97,924.32 = 40,752.72 : x
  2. Step 2: Convert to fraction form
    70,966.08/97,924.32 = 40,752.72/x
  3. Step 3: Cross multiply
    70,966.08x = 97,924.32 × 40,752.72
  4. Step 4: Simplify right side
    70,966.08x = 3,990,682,394.15
  5. Step 5: Solve for x
    x = 3,990,682,394.15/70,966.08
  6. Step 6: Final answer
    x = 56,233.66

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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.