Home / 62,586.19-86,339.99-55,423.40

Finding the Fourth Proportional to 62,586.19, 86,339.99 and 55,423.40

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Solution

The fourth proportional to 62,586.19, 86,339.99 and 55,423.40 is: 76,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,586.19 : 86,339.99 = 55,423.40 : x
  2. Step 2: Convert to fraction form
    62,586.19/86,339.99 = 55,423.40/x
  3. Step 3: Cross multiply
    62,586.19x = 86,339.99 × 55,423.40
  4. Step 4: Simplify right side
    62,586.19x = 4,785,255,524.65
  5. Step 5: Solve for x
    x = 4,785,255,524.65/62,586.19
  6. Step 6: Final answer
    x = 76,458.65

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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.