Home / 101,663.19-140,291.37-58,644.45

Finding the Fourth Proportional to 101,663.19, 140,291.37 and 58,644.45

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Solution

The fourth proportional to 101,663.19, 140,291.37 and 58,644.45 is: 80,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,663.19 : 140,291.37 = 58,644.45 : x
  2. Step 2: Convert to fraction form
    101,663.19/140,291.37 = 58,644.45/x
  3. Step 3: Cross multiply
    101,663.19x = 140,291.37 × 58,644.45
  4. Step 4: Simplify right side
    101,663.19x = 8,227,310,233.40
  5. Step 5: Solve for x
    x = 8,227,310,233.40/101,663.19
  6. Step 6: Final answer
    x = 80,927.13

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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.