Home / 79,071.15-118,615.02-25,767.30

Finding the Fourth Proportional to 79,071.15, 118,615.02 and 25,767.30

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Solution

The fourth proportional to 79,071.15, 118,615.02 and 25,767.30 is: 38,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071.15 : 118,615.02 = 25,767.30 : x
  2. Step 2: Convert to fraction form
    79,071.15/118,615.02 = 25,767.30/x
  3. Step 3: Cross multiply
    79,071.15x = 118,615.02 × 25,767.30
  4. Step 4: Simplify right side
    79,071.15x = 3,056,388,804.85
  5. Step 5: Solve for x
    x = 3,056,388,804.85/79,071.15
  6. Step 6: Final answer
    x = 38,653.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.