Home / 82,810.32-114,278.79-47,000.94

Finding the Fourth Proportional to 82,810.32, 114,278.79 and 47,000.94

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Solution

The fourth proportional to 82,810.32, 114,278.79 and 47,000.94 is: 64,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,810.32 : 114,278.79 = 47,000.94 : x
  2. Step 2: Convert to fraction form
    82,810.32/114,278.79 = 47,000.94/x
  3. Step 3: Cross multiply
    82,810.32x = 114,278.79 × 47,000.94
  4. Step 4: Simplify right side
    82,810.32x = 5,371,210,552.06
  5. Step 5: Solve for x
    x = 5,371,210,552.06/82,810.32
  6. Step 6: Final answer
    x = 64,861.61

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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.