Home / 113,868.81-170,710.89-47,358.69

Finding the Fourth Proportional to 113,868.81, 170,710.89 and 47,358.69

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Solution

The fourth proportional to 113,868.81, 170,710.89 and 47,358.69 is: 70,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,868.81 : 170,710.89 = 47,358.69 : x
  2. Step 2: Convert to fraction form
    113,868.81/170,710.89 = 47,358.69/x
  3. Step 3: Cross multiply
    113,868.81x = 170,710.89 × 47,358.69
  4. Step 4: Simplify right side
    113,868.81x = 8,084,644,119.13
  5. Step 5: Solve for x
    x = 8,084,644,119.13/113,868.81
  6. Step 6: Final answer
    x = 70,999.64

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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.