Home / 106,555.58-147,045.75-58,807.90

Finding the Fourth Proportional to 106,555.58, 147,045.75 and 58,807.90

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Solution

The fourth proportional to 106,555.58, 147,045.75 and 58,807.90 is: 81,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,555.58 : 147,045.75 = 58,807.90 : x
  2. Step 2: Convert to fraction form
    106,555.58/147,045.75 = 58,807.90/x
  3. Step 3: Cross multiply
    106,555.58x = 147,045.75 × 58,807.90
  4. Step 4: Simplify right side
    106,555.58x = 8,647,451,807.33
  5. Step 5: Solve for x
    x = 8,647,451,807.33/106,555.58
  6. Step 6: Final answer
    x = 81,154.38

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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.