Home / 99,527.37-137,345.70-54,206.13

Finding the Fourth Proportional to 99,527.37, 137,345.70 and 54,206.13

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Solution

The fourth proportional to 99,527.37, 137,345.70 and 54,206.13 is: 74,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,527.37 : 137,345.70 = 54,206.13 : x
  2. Step 2: Convert to fraction form
    99,527.37/137,345.70 = 54,206.13/x
  3. Step 3: Cross multiply
    99,527.37x = 137,345.70 × 54,206.13
  4. Step 4: Simplify right side
    99,527.37x = 7,444,978,869.14
  5. Step 5: Solve for x
    x = 7,444,978,869.14/99,527.37
  6. Step 6: Final answer
    x = 74,803.33

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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.