Home / 83,216.15-114,838.98-47,405.60

Finding the Fourth Proportional to 83,216.15, 114,838.98 and 47,405.60

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Solution

The fourth proportional to 83,216.15, 114,838.98 and 47,405.60 is: 65,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216.15 : 114,838.98 = 47,405.60 : x
  2. Step 2: Convert to fraction form
    83,216.15/114,838.98 = 47,405.60/x
  3. Step 3: Cross multiply
    83,216.15x = 114,838.98 × 47,405.60
  4. Step 4: Simplify right side
    83,216.15x = 5,444,010,750.29
  5. Step 5: Solve for x
    x = 5,444,010,750.29/83,216.15
  6. Step 6: Final answer
    x = 65,420.12

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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.