Home / 75,277.02-112,934.52-53,133.66

Finding the Fourth Proportional to 75,277.02, 112,934.52 and 53,133.66

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Solution

The fourth proportional to 75,277.02, 112,934.52 and 53,133.66 is: 79,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.02 : 112,934.52 = 53,133.66 : x
  2. Step 2: Convert to fraction form
    75,277.02/112,934.52 = 53,133.66/x
  3. Step 3: Cross multiply
    75,277.02x = 112,934.52 × 53,133.66
  4. Step 4: Simplify right side
    75,277.02x = 6,000,624,387.94
  5. Step 5: Solve for x
    x = 6,000,624,387.94/75,277.02
  6. Step 6: Final answer
    x = 79,713.89

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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.