Home / 84,807.32-117,029.50-47,079.12

Finding the Fourth Proportional to 84,807.32, 117,029.50 and 47,079.12

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Solution

The fourth proportional to 84,807.32, 117,029.50 and 47,079.12 is: 64,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,807.32 : 117,029.50 = 47,079.12 : x
  2. Step 2: Convert to fraction form
    84,807.32/117,029.50 = 47,079.12/x
  3. Step 3: Cross multiply
    84,807.32x = 117,029.50 × 47,079.12
  4. Step 4: Simplify right side
    84,807.32x = 5,509,645,874.04
  5. Step 5: Solve for x
    x = 5,509,645,874.04/84,807.32
  6. Step 6: Final answer
    x = 64,966.63

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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.