Home / 79,251.04-109,302.67-69,670.45

Finding the Fourth Proportional to 79,251.04, 109,302.67 and 69,670.45

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Solution

The fourth proportional to 79,251.04, 109,302.67 and 69,670.45 is: 96,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251.04 : 109,302.67 = 69,670.45 : x
  2. Step 2: Convert to fraction form
    79,251.04/109,302.67 = 69,670.45/x
  3. Step 3: Cross multiply
    79,251.04x = 109,302.67 × 69,670.45
  4. Step 4: Simplify right side
    79,251.04x = 7,615,165,484.41
  5. Step 5: Solve for x
    x = 7,615,165,484.41/79,251.04
  6. Step 6: Final answer
    x = 96,089.15

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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.