Home / 79,267.95-109,386.86-43,457.18

Finding the Fourth Proportional to 79,267.95, 109,386.86 and 43,457.18

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Solution

The fourth proportional to 79,267.95, 109,386.86 and 43,457.18 is: 59,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.95 : 109,386.86 = 43,457.18 : x
  2. Step 2: Convert to fraction form
    79,267.95/109,386.86 = 43,457.18/x
  3. Step 3: Cross multiply
    79,267.95x = 109,386.86 × 43,457.18
  4. Step 4: Simplify right side
    79,267.95x = 4,753,643,700.43
  5. Step 5: Solve for x
    x = 4,753,643,700.43/79,267.95
  6. Step 6: Final answer
    x = 59,969.30

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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.