Home / 98,389.89-135,756.81-62,566.83

Finding the Fourth Proportional to 98,389.89, 135,756.81 and 62,566.83

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Solution

The fourth proportional to 98,389.89, 135,756.81 and 62,566.83 is: 86,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,389.89 : 135,756.81 = 62,566.83 : x
  2. Step 2: Convert to fraction form
    98,389.89/135,756.81 = 62,566.83/x
  3. Step 3: Cross multiply
    98,389.89x = 135,756.81 × 62,566.83
  4. Step 4: Simplify right side
    98,389.89x = 8,493,873,252.61
  5. Step 5: Solve for x
    x = 8,493,873,252.61/98,389.89
  6. Step 6: Final answer
    x = 86,328.72

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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.