Home / 77,031.75-106,267.03-48,337.12

Finding the Fourth Proportional to 77,031.75, 106,267.03 and 48,337.12

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Solution

The fourth proportional to 77,031.75, 106,267.03 and 48,337.12 is: 66,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.75 : 106,267.03 = 48,337.12 : x
  2. Step 2: Convert to fraction form
    77,031.75/106,267.03 = 48,337.12/x
  3. Step 3: Cross multiply
    77,031.75x = 106,267.03 × 48,337.12
  4. Step 4: Simplify right side
    77,031.75x = 5,136,642,181.15
  5. Step 5: Solve for x
    x = 5,136,642,181.15/77,031.75
  6. Step 6: Final answer
    x = 66,682.14

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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.