Home / 96,861.48-145,510.94-57,444.45

Finding the Fourth Proportional to 96,861.48, 145,510.94 and 57,444.45

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Solution

The fourth proportional to 96,861.48, 145,510.94 and 57,444.45 is: 86,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,861.48 : 145,510.94 = 57,444.45 : x
  2. Step 2: Convert to fraction form
    96,861.48/145,510.94 = 57,444.45/x
  3. Step 3: Cross multiply
    96,861.48x = 145,510.94 × 57,444.45
  4. Step 4: Simplify right side
    96,861.48x = 8,358,795,917.28
  5. Step 5: Solve for x
    x = 8,358,795,917.28/96,861.48
  6. Step 6: Final answer
    x = 86,296.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.