Home / 102,032.15-153,023.63-31,911.48

Finding the Fourth Proportional to 102,032.15, 153,023.63 and 31,911.48

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Solution

The fourth proportional to 102,032.15, 153,023.63 and 31,911.48 is: 47,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,032.15 : 153,023.63 = 31,911.48 : x
  2. Step 2: Convert to fraction form
    102,032.15/153,023.63 = 31,911.48/x
  3. Step 3: Cross multiply
    102,032.15x = 153,023.63 × 31,911.48
  4. Step 4: Simplify right side
    102,032.15x = 4,883,210,348.72
  5. Step 5: Solve for x
    x = 4,883,210,348.72/102,032.15
  6. Step 6: Final answer
    x = 47,859.53

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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.