Home / 63,127.46-87,079.14-40,458.38

Finding the Fourth Proportional to 63,127.46, 87,079.14 and 40,458.38

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Solution

The fourth proportional to 63,127.46, 87,079.14 and 40,458.38 is: 55,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,127.46 : 87,079.14 = 40,458.38 : x
  2. Step 2: Convert to fraction form
    63,127.46/87,079.14 = 40,458.38/x
  3. Step 3: Cross multiply
    63,127.46x = 87,079.14 × 40,458.38
  4. Step 4: Simplify right side
    63,127.46x = 3,523,080,936.19
  5. Step 5: Solve for x
    x = 3,523,080,936.19/63,127.46
  6. Step 6: Final answer
    x = 55,809.01

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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.