Home / 63,138.35-94,586.04-39,455.21

Finding the Fourth Proportional to 63,138.35, 94,586.04 and 39,455.21

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Solution

The fourth proportional to 63,138.35, 94,586.04 and 39,455.21 is: 59,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138.35 : 94,586.04 = 39,455.21 : x
  2. Step 2: Convert to fraction form
    63,138.35/94,586.04 = 39,455.21/x
  3. Step 3: Cross multiply
    63,138.35x = 94,586.04 × 39,455.21
  4. Step 4: Simplify right side
    63,138.35x = 3,731,911,598.34
  5. Step 5: Solve for x
    x = 3,731,911,598.34/63,138.35
  6. Step 6: Final answer
    x = 59,106.90

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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.