Home / 67,317.12-92,834.64-53,203.68

Finding the Fourth Proportional to 67,317.12, 92,834.64 and 53,203.68

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Solution

The fourth proportional to 67,317.12, 92,834.64 and 53,203.68 is: 73,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,317.12 : 92,834.64 = 53,203.68 : x
  2. Step 2: Convert to fraction form
    67,317.12/92,834.64 = 53,203.68/x
  3. Step 3: Cross multiply
    67,317.12x = 92,834.64 × 53,203.68
  4. Step 4: Simplify right side
    67,317.12x = 4,939,144,479.48
  5. Step 5: Solve for x
    x = 4,939,144,479.48/67,317.12
  6. Step 6: Final answer
    x = 73,371.30

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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.