Home / 116,569.80-174,941.10-77,113.80

Finding the Fourth Proportional to 116,569.80, 174,941.10 and 77,113.80

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Solution

The fourth proportional to 116,569.80, 174,941.10 and 77,113.80 is: 115,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,569.80 : 174,941.10 = 77,113.80 : x
  2. Step 2: Convert to fraction form
    116,569.80/174,941.10 = 77,113.80/x
  3. Step 3: Cross multiply
    116,569.80x = 174,941.10 × 77,113.80
  4. Step 4: Simplify right side
    116,569.80x = 13,490,372,997.18
  5. Step 5: Solve for x
    x = 13,490,372,997.18/116,569.80
  6. Step 6: Final answer
    x = 115,727.86

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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.