Home / 79,208.04-109,308.04-45,221.16

Finding the Fourth Proportional to 79,208.04, 109,308.04 and 45,221.16

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Solution

The fourth proportional to 79,208.04, 109,308.04 and 45,221.16 is: 62,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.04 : 109,308.04 = 45,221.16 : x
  2. Step 2: Convert to fraction form
    79,208.04/109,308.04 = 45,221.16/x
  3. Step 3: Cross multiply
    79,208.04x = 109,308.04 × 45,221.16
  4. Step 4: Simplify right side
    79,208.04x = 4,943,036,366.13
  5. Step 5: Solve for x
    x = 4,943,036,366.13/79,208.04
  6. Step 6: Final answer
    x = 62,405.74

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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.