Home / 98,386.96-135,773.40-55,945.52

Finding the Fourth Proportional to 98,386.96, 135,773.40 and 55,945.52

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Solution

The fourth proportional to 98,386.96, 135,773.40 and 55,945.52 is: 77,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,386.96 : 135,773.40 = 55,945.52 : x
  2. Step 2: Convert to fraction form
    98,386.96/135,773.40 = 55,945.52/x
  3. Step 3: Cross multiply
    98,386.96x = 135,773.40 × 55,945.52
  4. Step 4: Simplify right side
    98,386.96x = 7,595,913,465.17
  5. Step 5: Solve for x
    x = 7,595,913,465.17/98,386.96
  6. Step 6: Final answer
    x = 77,204.47

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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.