Home / 99,626.14-137,480.08-54,303.18

Finding the Fourth Proportional to 99,626.14, 137,480.08 and 54,303.18

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Solution

The fourth proportional to 99,626.14, 137,480.08 and 54,303.18 is: 74,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,626.14 : 137,480.08 = 54,303.18 : x
  2. Step 2: Convert to fraction form
    99,626.14/137,480.08 = 54,303.18/x
  3. Step 3: Cross multiply
    99,626.14x = 137,480.08 × 54,303.18
  4. Step 4: Simplify right side
    99,626.14x = 7,465,605,530.65
  5. Step 5: Solve for x
    x = 7,465,605,530.65/99,626.14
  6. Step 6: Final answer
    x = 74,936.21

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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.