Home / 58,857.31-81,223.77-31,999.24

Finding the Fourth Proportional to 58,857.31, 81,223.77 and 31,999.24

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Solution

The fourth proportional to 58,857.31, 81,223.77 and 31,999.24 is: 44,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,857.31 : 81,223.77 = 31,999.24 : x
  2. Step 2: Convert to fraction form
    58,857.31/81,223.77 = 31,999.24/x
  3. Step 3: Cross multiply
    58,857.31x = 81,223.77 × 31,999.24
  4. Step 4: Simplify right side
    58,857.31x = 2,599,098,909.93
  5. Step 5: Solve for x
    x = 2,599,098,909.93/58,857.31
  6. Step 6: Final answer
    x = 44,159.32

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1.5x scale

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.