Home / 79,210.16-109,308.96-43,398.08

Finding the Fourth Proportional to 79,210.16, 109,308.96 and 43,398.08

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Solution

The fourth proportional to 79,210.16, 109,308.96 and 43,398.08 is: 59,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.16 : 109,308.96 = 43,398.08 : x
  2. Step 2: Convert to fraction form
    79,210.16/109,308.96 = 43,398.08/x
  3. Step 3: Cross multiply
    79,210.16x = 109,308.96 × 43,398.08
  4. Step 4: Simplify right side
    79,210.16x = 4,743,798,990.80
  5. Step 5: Solve for x
    x = 4,743,798,990.80/79,210.16
  6. Step 6: Final answer
    x = 59,888.77

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1.5x scale

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.