Home / 77,334.48-106,682.28-48,238.80

Finding the Fourth Proportional to 77,334.48, 106,682.28 and 48,238.80

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Solution

The fourth proportional to 77,334.48, 106,682.28 and 48,238.80 is: 66,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.48 : 106,682.28 = 48,238.80 : x
  2. Step 2: Convert to fraction form
    77,334.48/106,682.28 = 48,238.80/x
  3. Step 3: Cross multiply
    77,334.48x = 106,682.28 × 48,238.80
  4. Step 4: Simplify right side
    77,334.48x = 5,146,225,168.46
  5. Step 5: Solve for x
    x = 5,146,225,168.46/77,334.48
  6. Step 6: Final answer
    x = 66,545.03

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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.