Home / 100,848.16-151,228.32-30,711.04

Finding the Fourth Proportional to 100,848.16, 151,228.32 and 30,711.04

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Solution

The fourth proportional to 100,848.16, 151,228.32 and 30,711.04 is: 46,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,848.16 : 151,228.32 = 30,711.04 : x
  2. Step 2: Convert to fraction form
    100,848.16/151,228.32 = 30,711.04/x
  3. Step 3: Cross multiply
    100,848.16x = 151,228.32 × 30,711.04
  4. Step 4: Simplify right side
    100,848.16x = 4,644,378,984.65
  5. Step 5: Solve for x
    x = 4,644,378,984.65/100,848.16
  6. Step 6: Final answer
    x = 46,053.19

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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.