Home / 115,030.13-172,616.90-43,959.11

Finding the Fourth Proportional to 115,030.13, 172,616.90 and 43,959.11

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Solution

The fourth proportional to 115,030.13, 172,616.90 and 43,959.11 is: 65,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.13 : 172,616.90 = 43,959.11 : x
  2. Step 2: Convert to fraction form
    115,030.13/172,616.90 = 43,959.11/x
  3. Step 3: Cross multiply
    115,030.13x = 172,616.90 × 43,959.11
  4. Step 4: Simplify right side
    115,030.13x = 7,588,084,212.08
  5. Step 5: Solve for x
    x = 7,588,084,212.08/115,030.13
  6. Step 6: Final answer
    x = 65,966.06

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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.