Home / 99,579.87-137,357.46-59,263.56

Finding the Fourth Proportional to 99,579.87, 137,357.46 and 59,263.56

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Solution

The fourth proportional to 99,579.87, 137,357.46 and 59,263.56 is: 81,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,579.87 : 137,357.46 = 59,263.56 : x
  2. Step 2: Convert to fraction form
    99,579.87/137,357.46 = 59,263.56/x
  3. Step 3: Cross multiply
    99,579.87x = 137,357.46 × 59,263.56
  4. Step 4: Simplify right side
    99,579.87x = 8,140,292,072.16
  5. Step 5: Solve for x
    x = 8,140,292,072.16/99,579.87
  6. Step 6: Final answer
    x = 81,746.36

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1.5x scale

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.