Home / 106,866.12-147,477.84-59,120.40

Finding the Fourth Proportional to 106,866.12, 147,477.84 and 59,120.40

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Solution

The fourth proportional to 106,866.12, 147,477.84 and 59,120.40 is: 81,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,866.12 : 147,477.84 = 59,120.40 : x
  2. Step 2: Convert to fraction form
    106,866.12/147,477.84 = 59,120.40/x
  3. Step 3: Cross multiply
    106,866.12x = 147,477.84 × 59,120.40
  4. Step 4: Simplify right side
    106,866.12x = 8,718,948,891.94
  5. Step 5: Solve for x
    x = 8,718,948,891.94/106,866.12
  6. Step 6: Final answer
    x = 81,587.59

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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.