Home / 109,951.90-151,747.93-61,572.25

Finding the Fourth Proportional to 109,951.90, 151,747.93 and 61,572.25

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Solution

The fourth proportional to 109,951.90, 151,747.93 and 61,572.25 is: 84,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,951.90 : 151,747.93 = 61,572.25 : x
  2. Step 2: Convert to fraction form
    109,951.90/151,747.93 = 61,572.25/x
  3. Step 3: Cross multiply
    109,951.90x = 151,747.93 × 61,572.25
  4. Step 4: Simplify right side
    109,951.90x = 9,343,461,749.59
  5. Step 5: Solve for x
    x = 9,343,461,749.59/109,951.90
  6. Step 6: Final answer
    x = 84,977.72

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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.