Home / 63,586.08-87,765.93-39,698.37

Finding the Fourth Proportional to 63,586.08, 87,765.93 and 39,698.37

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Solution

The fourth proportional to 63,586.08, 87,765.93 and 39,698.37 is: 54,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,586.08 : 87,765.93 = 39,698.37 : x
  2. Step 2: Convert to fraction form
    63,586.08/87,765.93 = 39,698.37/x
  3. Step 3: Cross multiply
    63,586.08x = 87,765.93 × 39,698.37
  4. Step 4: Simplify right side
    63,586.08x = 3,484,164,362.53
  5. Step 5: Solve for x
    x = 3,484,164,362.53/63,586.08
  6. Step 6: Final answer
    x = 54,794.45

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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.