Home / 67,277.12-100,931.54-37,715.36

Finding the Fourth Proportional to 67,277.12, 100,931.54 and 37,715.36

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Solution

The fourth proportional to 67,277.12, 100,931.54 and 37,715.36 is: 56,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277.12 : 100,931.54 = 37,715.36 : x
  2. Step 2: Convert to fraction form
    67,277.12/100,931.54 = 37,715.36/x
  3. Step 3: Cross multiply
    67,277.12x = 100,931.54 × 37,715.36
  4. Step 4: Simplify right side
    67,277.12x = 3,806,668,673.22
  5. Step 5: Solve for x
    x = 3,806,668,673.22/67,277.12
  6. Step 6: Final answer
    x = 56,581.92

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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.