Home / 62,921.52-86,828.40-34,621.74

Finding the Fourth Proportional to 62,921.52, 86,828.40 and 34,621.74

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Solution

The fourth proportional to 62,921.52, 86,828.40 and 34,621.74 is: 47,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,921.52 : 86,828.40 = 34,621.74 : x
  2. Step 2: Convert to fraction form
    62,921.52/86,828.40 = 34,621.74/x
  3. Step 3: Cross multiply
    62,921.52x = 86,828.40 × 34,621.74
  4. Step 4: Simplify right side
    62,921.52x = 3,006,150,289.42
  5. Step 5: Solve for x
    x = 3,006,150,289.42/62,921.52
  6. Step 6: Final answer
    x = 47,776.19

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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.