Home / 115,204.77-172,806.75-52,047.05

Finding the Fourth Proportional to 115,204.77, 172,806.75 and 52,047.05

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Solution

The fourth proportional to 115,204.77, 172,806.75 and 52,047.05 is: 78,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.77 : 172,806.75 = 52,047.05 : x
  2. Step 2: Convert to fraction form
    115,204.77/172,806.75 = 52,047.05/x
  3. Step 3: Cross multiply
    115,204.77x = 172,806.75 × 52,047.05
  4. Step 4: Simplify right side
    115,204.77x = 8,994,080,693.55
  5. Step 5: Solve for x
    x = 8,994,080,693.55/115,204.77
  6. Step 6: Final answer
    x = 78,070.38

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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.