Home / 102,053.30-153,058.08-31,923.50

Finding the Fourth Proportional to 102,053.30, 153,058.08 and 31,923.50

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Solution

The fourth proportional to 102,053.30, 153,058.08 and 31,923.50 is: 47,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,053.30 : 153,058.08 = 31,923.50 : x
  2. Step 2: Convert to fraction form
    102,053.30/153,058.08 = 31,923.50/x
  3. Step 3: Cross multiply
    102,053.30x = 153,058.08 × 31,923.50
  4. Step 4: Simplify right side
    102,053.30x = 4,886,149,616.88
  5. Step 5: Solve for x
    x = 4,886,149,616.88/102,053.30
  6. Step 6: Final answer
    x = 47,878.41

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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.