Home / 79,420.04-109,599.76-43,612.36

Finding the Fourth Proportional to 79,420.04, 109,599.76 and 43,612.36

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Solution

The fourth proportional to 79,420.04, 109,599.76 and 43,612.36 is: 60,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,420.04 : 109,599.76 = 43,612.36 : x
  2. Step 2: Convert to fraction form
    79,420.04/109,599.76 = 43,612.36/x
  3. Step 3: Cross multiply
    79,420.04x = 109,599.76 × 43,612.36
  4. Step 4: Simplify right side
    79,420.04x = 4,779,904,189.03
  5. Step 5: Solve for x
    x = 4,779,904,189.03/79,420.04
  6. Step 6: Final answer
    x = 60,185.11

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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.