Home / 103,055.72-154,598.24-31,984.48

Finding the Fourth Proportional to 103,055.72, 154,598.24 and 31,984.48

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Solution

The fourth proportional to 103,055.72, 154,598.24 and 31,984.48 is: 47,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,055.72 : 154,598.24 = 31,984.48 : x
  2. Step 2: Convert to fraction form
    103,055.72/154,598.24 = 31,984.48/x
  3. Step 3: Cross multiply
    103,055.72x = 154,598.24 × 31,984.48
  4. Step 4: Simplify right side
    103,055.72x = 4,944,744,315.32
  5. Step 5: Solve for x
    x = 4,944,744,315.32/103,055.72
  6. Step 6: Final answer
    x = 47,981.27

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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.