Home / 86,828.05-130,242.08-63,500.05

Finding the Fourth Proportional to 86,828.05, 130,242.08 and 63,500.05

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Solution

The fourth proportional to 86,828.05, 130,242.08 and 63,500.05 is: 95,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,828.05 : 130,242.08 = 63,500.05 : x
  2. Step 2: Convert to fraction form
    86,828.05/130,242.08 = 63,500.05/x
  3. Step 3: Cross multiply
    86,828.05x = 130,242.08 × 63,500.05
  4. Step 4: Simplify right side
    86,828.05x = 8,270,378,274.60
  5. Step 5: Solve for x
    x = 8,270,378,274.60/86,828.05
  6. Step 6: Final answer
    x = 95,250.08

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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.