Home / 106,430.48-159,646.34-31,551.27

Finding the Fourth Proportional to 106,430.48, 159,646.34 and 31,551.27

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Solution

The fourth proportional to 106,430.48, 159,646.34 and 31,551.27 is: 47,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.48 : 159,646.34 = 31,551.27 : x
  2. Step 2: Convert to fraction form
    106,430.48/159,646.34 = 31,551.27/x
  3. Step 3: Cross multiply
    106,430.48x = 159,646.34 × 31,551.27
  4. Step 4: Simplify right side
    106,430.48x = 5,037,045,156.07
  5. Step 5: Solve for x
    x = 5,037,045,156.07/106,430.48
  6. Step 6: Final answer
    x = 47,327.09

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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.