Home / 98,034.48-135,264-57,745.08

Finding the Fourth Proportional to 98,034.48, 135,264 and 57,745.08

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Solution

The fourth proportional to 98,034.48, 135,264 and 57,745.08 is: 79,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,034.48 : 135,264 = 57,745.08 : x
  2. Step 2: Convert to fraction form
    98,034.48/135,264 = 57,745.08/x
  3. Step 3: Cross multiply
    98,034.48x = 135,264 × 57,745.08
  4. Step 4: Simplify right side
    98,034.48x = 7,810,830,501.12
  5. Step 5: Solve for x
    x = 7,810,830,501.12/98,034.48
  6. Step 6: Final answer
    x = 79,674.32

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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.