Home / 98,924.78-136,513.23-56,475.02

Finding the Fourth Proportional to 98,924.78, 136,513.23 and 56,475.02

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Solution

The fourth proportional to 98,924.78, 136,513.23 and 56,475.02 is: 77,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,924.78 : 136,513.23 = 56,475.02 : x
  2. Step 2: Convert to fraction form
    98,924.78/136,513.23 = 56,475.02/x
  3. Step 3: Cross multiply
    98,924.78x = 136,513.23 × 56,475.02
  4. Step 4: Simplify right side
    98,924.78x = 7,709,587,394.51
  5. Step 5: Solve for x
    x = 7,709,587,394.51/98,924.78
  6. Step 6: Final answer
    x = 77,933.83

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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.