Home / 98,822.16-136,372.68-56,373.84

Finding the Fourth Proportional to 98,822.16, 136,372.68 and 56,373.84

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Solution

The fourth proportional to 98,822.16, 136,372.68 and 56,373.84 is: 77,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,822.16 : 136,372.68 = 56,373.84 : x
  2. Step 2: Convert to fraction form
    98,822.16/136,372.68 = 56,373.84/x
  3. Step 3: Cross multiply
    98,822.16x = 136,372.68 × 56,373.84
  4. Step 4: Simplify right side
    98,822.16x = 7,687,851,642.69
  5. Step 5: Solve for x
    x = 7,687,851,642.69/98,822.16
  6. Step 6: Final answer
    x = 77,794.81

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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.