Home / 79,165.11-109,248.02-42,866.94

Finding the Fourth Proportional to 79,165.11, 109,248.02 and 42,866.94

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Solution

The fourth proportional to 79,165.11, 109,248.02 and 42,866.94 is: 59,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,165.11 : 109,248.02 = 42,866.94 : x
  2. Step 2: Convert to fraction form
    79,165.11/109,248.02 = 42,866.94/x
  3. Step 3: Cross multiply
    79,165.11x = 109,248.02 × 42,866.94
  4. Step 4: Simplify right side
    79,165.11x = 4,683,128,104.12
  5. Step 5: Solve for x
    x = 4,683,128,104.12/79,165.11
  6. Step 6: Final answer
    x = 59,156.47

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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.