Home / 83,222.11-114,840.29-47,405.12

Finding the Fourth Proportional to 83,222.11, 114,840.29 and 47,405.12

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Solution

The fourth proportional to 83,222.11, 114,840.29 and 47,405.12 is: 65,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,222.11 : 114,840.29 = 47,405.12 : x
  2. Step 2: Convert to fraction form
    83,222.11/114,840.29 = 47,405.12/x
  3. Step 3: Cross multiply
    83,222.11x = 114,840.29 × 47,405.12
  4. Step 4: Simplify right side
    83,222.11x = 5,444,017,491.26
  5. Step 5: Solve for x
    x = 5,444,017,491.26/83,222.11
  6. Step 6: Final answer
    x = 65,415.52

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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.