Home / 98,345.28-135,696.15-57,501.54

Finding the Fourth Proportional to 98,345.28, 135,696.15 and 57,501.54

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Solution

The fourth proportional to 98,345.28, 135,696.15 and 57,501.54 is: 79,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345.28 : 135,696.15 = 57,501.54 : x
  2. Step 2: Convert to fraction form
    98,345.28/135,696.15 = 57,501.54/x
  3. Step 3: Cross multiply
    98,345.28x = 135,696.15 × 57,501.54
  4. Step 4: Simplify right side
    98,345.28x = 7,802,737,597.07
  5. Step 5: Solve for x
    x = 7,802,737,597.07/98,345.28
  6. Step 6: Final answer
    x = 79,340.23

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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.