Home / 70,281.79-96,991.17-40,066.57

Finding the Fourth Proportional to 70,281.79, 96,991.17 and 40,066.57

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Solution

The fourth proportional to 70,281.79, 96,991.17 and 40,066.57 is: 55,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.79 : 96,991.17 = 40,066.57 : x
  2. Step 2: Convert to fraction form
    70,281.79/96,991.17 = 40,066.57/x
  3. Step 3: Cross multiply
    70,281.79x = 96,991.17 × 40,066.57
  4. Step 4: Simplify right side
    70,281.79x = 3,886,103,502.19
  5. Step 5: Solve for x
    x = 3,886,103,502.19/70,281.79
  6. Step 6: Final answer
    x = 55,293.18

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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.