Home / 62,120.52-85,803.50-61,187.40

Finding the Fourth Proportional to 62,120.52, 85,803.50 and 61,187.40

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Solution

The fourth proportional to 62,120.52, 85,803.50 and 61,187.40 is: 84,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,120.52 : 85,803.50 = 61,187.40 : x
  2. Step 2: Convert to fraction form
    62,120.52/85,803.50 = 61,187.40/x
  3. Step 3: Cross multiply
    62,120.52x = 85,803.50 × 61,187.40
  4. Step 4: Simplify right side
    62,120.52x = 5,250,093,228.87
  5. Step 5: Solve for x
    x = 5,250,093,228.87/62,120.52
  6. Step 6: Final answer
    x = 84,514.64

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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.