Home / 47,109.90-70,620.93-15,923.34

Finding the Fourth Proportional to 47,109.90, 70,620.93 and 15,923.34

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Solution

The fourth proportional to 47,109.90, 70,620.93 and 15,923.34 is: 23,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,109.90 : 70,620.93 = 15,923.34 : x
  2. Step 2: Convert to fraction form
    47,109.90/70,620.93 = 15,923.34/x
  3. Step 3: Cross multiply
    47,109.90x = 70,620.93 × 15,923.34
  4. Step 4: Simplify right side
    47,109.90x = 1,124,521,079.51
  5. Step 5: Solve for x
    x = 1,124,521,079.51/47,109.90
  6. Step 6: Final answer
    x = 23,870.16

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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.