Home / 98,988.02-136,604.40-53,665.88

Finding the Fourth Proportional to 98,988.02, 136,604.40 and 53,665.88

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Solution

The fourth proportional to 98,988.02, 136,604.40 and 53,665.88 is: 74,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,988.02 : 136,604.40 = 53,665.88 : x
  2. Step 2: Convert to fraction form
    98,988.02/136,604.40 = 53,665.88/x
  3. Step 3: Cross multiply
    98,988.02x = 136,604.40 × 53,665.88
  4. Step 4: Simplify right side
    98,988.02x = 7,330,995,337.87
  5. Step 5: Solve for x
    x = 7,330,995,337.87/98,988.02
  6. Step 6: Final answer
    x = 74,059.42

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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.