Home / 96,117.34-143,975.10-77,295.76

Finding the Fourth Proportional to 96,117.34, 143,975.10 and 77,295.76

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Solution

The fourth proportional to 96,117.34, 143,975.10 and 77,295.76 is: 115,782.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,117.34 : 143,975.10 = 77,295.76 : x
  2. Step 2: Convert to fraction form
    96,117.34/143,975.10 = 77,295.76/x
  3. Step 3: Cross multiply
    96,117.34x = 143,975.10 × 77,295.76
  4. Step 4: Simplify right side
    96,117.34x = 11,128,664,775.58
  5. Step 5: Solve for x
    x = 11,128,664,775.58/96,117.34
  6. Step 6: Final answer
    x = 115,782.07

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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.