Home / 99,535.37-137,356.74-54,214.16

Finding the Fourth Proportional to 99,535.37, 137,356.74 and 54,214.16

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Solution

The fourth proportional to 99,535.37, 137,356.74 and 54,214.16 is: 74,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,535.37 : 137,356.74 = 54,214.16 : x
  2. Step 2: Convert to fraction form
    99,535.37/137,356.74 = 54,214.16/x
  3. Step 3: Cross multiply
    99,535.37x = 137,356.74 × 54,214.16
  4. Step 4: Simplify right side
    99,535.37x = 7,446,679,592.65
  5. Step 5: Solve for x
    x = 7,446,679,592.65/99,535.37
  6. Step 6: Final answer
    x = 74,814.41

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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.