Home / 98,036.48-135,266.72-57,747.12

Finding the Fourth Proportional to 98,036.48, 135,266.72 and 57,747.12

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Solution

The fourth proportional to 98,036.48, 135,266.72 and 57,747.12 is: 79,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,036.48 : 135,266.72 = 57,747.12 : x
  2. Step 2: Convert to fraction form
    98,036.48/135,266.72 = 57,747.12/x
  3. Step 3: Cross multiply
    98,036.48x = 135,266.72 × 57,747.12
  4. Step 4: Simplify right side
    98,036.48x = 7,811,263,511.85
  5. Step 5: Solve for x
    x = 7,811,263,511.85/98,036.48
  6. Step 6: Final answer
    x = 79,677.11

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1.5x scale

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.