Home / 70,242.12-96,931.04-40,033.98

Finding the Fourth Proportional to 70,242.12, 96,931.04 and 40,033.98

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Solution

The fourth proportional to 70,242.12, 96,931.04 and 40,033.98 is: 55,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,242.12 : 96,931.04 = 40,033.98 : x
  2. Step 2: Convert to fraction form
    70,242.12/96,931.04 = 40,033.98/x
  3. Step 3: Cross multiply
    70,242.12x = 96,931.04 × 40,033.98
  4. Step 4: Simplify right side
    70,242.12x = 3,880,535,316.74
  5. Step 5: Solve for x
    x = 3,880,535,316.74/70,242.12
  6. Step 6: Final answer
    x = 55,245.13

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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.