Home / 98,828.72-136,384.70-53,507.64

Finding the Fourth Proportional to 98,828.72, 136,384.70 and 53,507.64

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Solution

The fourth proportional to 98,828.72, 136,384.70 and 53,507.64 is: 73,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.72 : 136,384.70 = 53,507.64 : x
  2. Step 2: Convert to fraction form
    98,828.72/136,384.70 = 53,507.64/x
  3. Step 3: Cross multiply
    98,828.72x = 136,384.70 × 53,507.64
  4. Step 4: Simplify right side
    98,828.72x = 7,297,623,161.57
  5. Step 5: Solve for x
    x = 7,297,623,161.57/98,828.72
  6. Step 6: Final answer
    x = 73,841.12

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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.