Home / 98,837.68-136,386.60-58,551.52

Finding the Fourth Proportional to 98,837.68, 136,386.60 and 58,551.52

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Solution

The fourth proportional to 98,837.68, 136,386.60 and 58,551.52 is: 80,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,837.68 : 136,386.60 = 58,551.52 : x
  2. Step 2: Convert to fraction form
    98,837.68/136,386.60 = 58,551.52/x
  3. Step 3: Cross multiply
    98,837.68x = 136,386.60 × 58,551.52
  4. Step 4: Simplify right side
    98,837.68x = 7,985,642,737.63
  5. Step 5: Solve for x
    x = 7,985,642,737.63/98,837.68
  6. Step 6: Final answer
    x = 80,795.53

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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.