Home / 106,501.06-159,724.26-31,603.50

Finding the Fourth Proportional to 106,501.06, 159,724.26 and 31,603.50

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Solution

The fourth proportional to 106,501.06, 159,724.26 and 31,603.50 is: 47,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,501.06 : 159,724.26 = 31,603.50 : x
  2. Step 2: Convert to fraction form
    106,501.06/159,724.26 = 31,603.50/x
  3. Step 3: Cross multiply
    106,501.06x = 159,724.26 × 31,603.50
  4. Step 4: Simplify right side
    106,501.06x = 5,047,845,650.91
  5. Step 5: Solve for x
    x = 5,047,845,650.91/106,501.06
  6. Step 6: Final answer
    x = 47,397.14

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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.