Home / 77,031.08-115,523.10-32,657

Finding the Fourth Proportional to 77,031.08, 115,523.10 and 32,657

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Solution

The fourth proportional to 77,031.08, 115,523.10 and 32,657 is: 48,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.08 : 115,523.10 = 32,657 : x
  2. Step 2: Convert to fraction form
    77,031.08/115,523.10 = 32,657/x
  3. Step 3: Cross multiply
    77,031.08x = 115,523.10 × 32,657
  4. Step 4: Simplify right side
    77,031.08x = 3,772,637,876.70
  5. Step 5: Solve for x
    x = 3,772,637,876.70/77,031.08
  6. Step 6: Final answer
    x = 48,975.53

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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.