Home / 98,828.10-136,381.13-53,505.71

Finding the Fourth Proportional to 98,828.10, 136,381.13 and 53,505.71

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Solution

The fourth proportional to 98,828.10, 136,381.13 and 53,505.71 is: 73,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.10 : 136,381.13 = 53,505.71 : x
  2. Step 2: Convert to fraction form
    98,828.10/136,381.13 = 53,505.71/x
  3. Step 3: Cross multiply
    98,828.10x = 136,381.13 × 53,505.71
  4. Step 4: Simplify right side
    98,828.10x = 7,297,169,796.28
  5. Step 5: Solve for x
    x = 7,297,169,796.28/98,828.10
  6. Step 6: Final answer
    x = 73,836.99

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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.