Home / 96,811.04-145,087.36-51,740

Finding the Fourth Proportional to 96,811.04, 145,087.36 and 51,740

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Solution

The fourth proportional to 96,811.04, 145,087.36 and 51,740 is: 77,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,811.04 : 145,087.36 = 51,740 : x
  2. Step 2: Convert to fraction form
    96,811.04/145,087.36 = 51,740/x
  3. Step 3: Cross multiply
    96,811.04x = 145,087.36 × 51,740
  4. Step 4: Simplify right side
    96,811.04x = 7,506,820,006.40
  5. Step 5: Solve for x
    x = 7,506,820,006.40/96,811.04
  6. Step 6: Final answer
    x = 77,540.95

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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.