Home / 72,078.04-108,070.48-29,987.13

Finding the Fourth Proportional to 72,078.04, 108,070.48 and 29,987.13

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Solution

The fourth proportional to 72,078.04, 108,070.48 and 29,987.13 is: 44,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,078.04 : 108,070.48 = 29,987.13 : x
  2. Step 2: Convert to fraction form
    72,078.04/108,070.48 = 29,987.13/x
  3. Step 3: Cross multiply
    72,078.04x = 108,070.48 × 29,987.13
  4. Step 4: Simplify right side
    72,078.04x = 3,240,723,532.92
  5. Step 5: Solve for x
    x = 3,240,723,532.92/72,078.04
  6. Step 6: Final answer
    x = 44,961.32

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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.