Home / 47,159.36-70,740.16-15,559.28

Finding the Fourth Proportional to 47,159.36, 70,740.16 and 15,559.28

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Solution

The fourth proportional to 47,159.36, 70,740.16 and 15,559.28 is: 23,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.36 : 70,740.16 = 15,559.28 : x
  2. Step 2: Convert to fraction form
    47,159.36/70,740.16 = 15,559.28/x
  3. Step 3: Cross multiply
    47,159.36x = 70,740.16 × 15,559.28
  4. Step 4: Simplify right side
    47,159.36x = 1,100,665,956.68
  5. Step 5: Solve for x
    x = 1,100,665,956.68/47,159.36
  6. Step 6: Final answer
    x = 23,339.29

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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.