Home / 96,477.90-144,662.67-66,117.30

Finding the Fourth Proportional to 96,477.90, 144,662.67 and 66,117.30

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Solution

The fourth proportional to 96,477.90, 144,662.67 and 66,117.30 is: 99,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,477.90 : 144,662.67 = 66,117.30 : x
  2. Step 2: Convert to fraction form
    96,477.90/144,662.67 = 66,117.30/x
  3. Step 3: Cross multiply
    96,477.90x = 144,662.67 × 66,117.30
  4. Step 4: Simplify right side
    96,477.90x = 9,564,705,151.19
  5. Step 5: Solve for x
    x = 9,564,705,151.19/96,477.90
  6. Step 6: Final answer
    x = 99,138.82

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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.