Home / 79,712.08-110,002.80-43,902.16

Finding the Fourth Proportional to 79,712.08, 110,002.80 and 43,902.16

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Solution

The fourth proportional to 79,712.08, 110,002.80 and 43,902.16 is: 60,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,712.08 : 110,002.80 = 43,902.16 : x
  2. Step 2: Convert to fraction form
    79,712.08/110,002.80 = 43,902.16/x
  3. Step 3: Cross multiply
    79,712.08x = 110,002.80 × 43,902.16
  4. Step 4: Simplify right side
    79,712.08x = 4,829,360,526.05
  5. Step 5: Solve for x
    x = 4,829,360,526.05/79,712.08
  6. Step 6: Final answer
    x = 60,585.05

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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.