Home / 58,480.48-80,703.12-31,623

Finding the Fourth Proportional to 58,480.48, 80,703.12 and 31,623

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Solution

The fourth proportional to 58,480.48, 80,703.12 and 31,623 is: 43,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,480.48 : 80,703.12 = 31,623 : x
  2. Step 2: Convert to fraction form
    58,480.48/80,703.12 = 31,623/x
  3. Step 3: Cross multiply
    58,480.48x = 80,703.12 × 31,623
  4. Step 4: Simplify right side
    58,480.48x = 2,552,074,763.76
  5. Step 5: Solve for x
    x = 2,552,074,763.76/58,480.48
  6. Step 6: Final answer
    x = 43,639.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.