Home / 96,378.60-144,503.10-51,407.40

Finding the Fourth Proportional to 96,378.60, 144,503.10 and 51,407.40

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Solution

The fourth proportional to 96,378.60, 144,503.10 and 51,407.40 is: 77,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,378.60 : 144,503.10 = 51,407.40 : x
  2. Step 2: Convert to fraction form
    96,378.60/144,503.10 = 51,407.40/x
  3. Step 3: Cross multiply
    96,378.60x = 144,503.10 × 51,407.40
  4. Step 4: Simplify right side
    96,378.60x = 7,428,528,662.94
  5. Step 5: Solve for x
    x = 7,428,528,662.94/96,378.60
  6. Step 6: Final answer
    x = 77,076.54

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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.