Home / 55,585.16-83,386.46-18,136.58

Finding the Fourth Proportional to 55,585.16, 83,386.46 and 18,136.58

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Solution

The fourth proportional to 55,585.16, 83,386.46 and 18,136.58 is: 27,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,585.16 : 83,386.46 = 18,136.58 : x
  2. Step 2: Convert to fraction form
    55,585.16/83,386.46 = 18,136.58/x
  3. Step 3: Cross multiply
    55,585.16x = 83,386.46 × 18,136.58
  4. Step 4: Simplify right side
    55,585.16x = 1,512,345,202.71
  5. Step 5: Solve for x
    x = 1,512,345,202.71/55,585.16
  6. Step 6: Final answer
    x = 27,207.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.