Home / 98,675.61-136,185.65-55,663.93

Finding the Fourth Proportional to 98,675.61, 136,185.65 and 55,663.93

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Solution

The fourth proportional to 98,675.61, 136,185.65 and 55,663.93 is: 76,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,675.61 : 136,185.65 = 55,663.93 : x
  2. Step 2: Convert to fraction form
    98,675.61/136,185.65 = 55,663.93/x
  3. Step 3: Cross multiply
    98,675.61x = 136,185.65 × 55,663.93
  4. Step 4: Simplify right side
    98,675.61x = 7,580,628,488.60
  5. Step 5: Solve for x
    x = 7,580,628,488.60/98,675.61
  6. Step 6: Final answer
    x = 76,823.73

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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.