Home / 99,356.74-137,077.46-56,329.92

Finding the Fourth Proportional to 99,356.74, 137,077.46 and 56,329.92

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Solution

The fourth proportional to 99,356.74, 137,077.46 and 56,329.92 is: 77,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,356.74 : 137,077.46 = 56,329.92 : x
  2. Step 2: Convert to fraction form
    99,356.74/137,077.46 = 56,329.92/x
  3. Step 3: Cross multiply
    99,356.74x = 137,077.46 × 56,329.92
  4. Step 4: Simplify right side
    99,356.74x = 7,721,562,355.60
  5. Step 5: Solve for x
    x = 7,721,562,355.60/99,356.74
  6. Step 6: Final answer
    x = 77,715.54

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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.