Home / 98,510.96-135,989.88-62,750

Finding the Fourth Proportional to 98,510.96, 135,989.88 and 62,750

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Solution

The fourth proportional to 98,510.96, 135,989.88 and 62,750 is: 86,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,510.96 : 135,989.88 = 62,750 : x
  2. Step 2: Convert to fraction form
    98,510.96/135,989.88 = 62,750/x
  3. Step 3: Cross multiply
    98,510.96x = 135,989.88 × 62,750
  4. Step 4: Simplify right side
    98,510.96x = 8,533,364,970
  5. Step 5: Solve for x
    x = 8,533,364,970/98,510.96
  6. Step 6: Final answer
    x = 86,623.51

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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.