Home / 99,109.40-148,664.10-46,621.40

Finding the Fourth Proportional to 99,109.40, 148,664.10 and 46,621.40

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Solution

The fourth proportional to 99,109.40, 148,664.10 and 46,621.40 is: 69,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,109.40 : 148,664.10 = 46,621.40 : x
  2. Step 2: Convert to fraction form
    99,109.40/148,664.10 = 46,621.40/x
  3. Step 3: Cross multiply
    99,109.40x = 148,664.10 × 46,621.40
  4. Step 4: Simplify right side
    99,109.40x = 6,930,928,471.74
  5. Step 5: Solve for x
    x = 6,930,928,471.74/99,109.40
  6. Step 6: Final answer
    x = 69,932.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.