Home / 94,956.48-130,918.08-77,899.20

Finding the Fourth Proportional to 94,956.48, 130,918.08 and 77,899.20

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Solution

The fourth proportional to 94,956.48, 130,918.08 and 77,899.20 is: 107,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,956.48 : 130,918.08 = 77,899.20 : x
  2. Step 2: Convert to fraction form
    94,956.48/130,918.08 = 77,899.20/x
  3. Step 3: Cross multiply
    94,956.48x = 130,918.08 × 77,899.20
  4. Step 4: Simplify right side
    94,956.48x = 10,198,413,697.54
  5. Step 5: Solve for x
    x = 10,198,413,697.54/94,956.48
  6. Step 6: Final answer
    x = 107,400.92

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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.