Home / 79,274.16-109,397.54-43,464.10

Finding the Fourth Proportional to 79,274.16, 109,397.54 and 43,464.10

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Solution

The fourth proportional to 79,274.16, 109,397.54 and 43,464.10 is: 59,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.16 : 109,397.54 = 43,464.10 : x
  2. Step 2: Convert to fraction form
    79,274.16/109,397.54 = 43,464.10/x
  3. Step 3: Cross multiply
    79,274.16x = 109,397.54 × 43,464.10
  4. Step 4: Simplify right side
    79,274.16x = 4,754,865,618.31
  5. Step 5: Solve for x
    x = 4,754,865,618.31/79,274.16
  6. Step 6: Final answer
    x = 59,980.02

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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.