Home / 98,656.80-136,146.06-56,222.52

Finding the Fourth Proportional to 98,656.80, 136,146.06 and 56,222.52

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Solution

The fourth proportional to 98,656.80, 136,146.06 and 56,222.52 is: 77,586.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,656.80 : 136,146.06 = 56,222.52 : x
  2. Step 2: Convert to fraction form
    98,656.80/136,146.06 = 56,222.52/x
  3. Step 3: Cross multiply
    98,656.80x = 136,146.06 × 56,222.52
  4. Step 4: Simplify right side
    98,656.80x = 7,654,474,581.27
  5. Step 5: Solve for x
    x = 7,654,474,581.27/98,656.80
  6. Step 6: Final answer
    x = 77,586.89

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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.