Home / 98,744.08-136,264.20-56,301.64

Finding the Fourth Proportional to 98,744.08, 136,264.20 and 56,301.64

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Solution

The fourth proportional to 98,744.08, 136,264.20 and 56,301.64 is: 77,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.08 : 136,264.20 = 56,301.64 : x
  2. Step 2: Convert to fraction form
    98,744.08/136,264.20 = 56,301.64/x
  3. Step 3: Cross multiply
    98,744.08x = 136,264.20 × 56,301.64
  4. Step 4: Simplify right side
    98,744.08x = 7,671,897,933.29
  5. Step 5: Solve for x
    x = 7,671,897,933.29/98,744.08
  6. Step 6: Final answer
    x = 77,694.76

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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.