Home / 77,173.77-106,492.28-43,180.23

Finding the Fourth Proportional to 77,173.77, 106,492.28 and 43,180.23

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Solution

The fourth proportional to 77,173.77, 106,492.28 and 43,180.23 is: 59,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,173.77 : 106,492.28 = 43,180.23 : x
  2. Step 2: Convert to fraction form
    77,173.77/106,492.28 = 43,180.23/x
  3. Step 3: Cross multiply
    77,173.77x = 106,492.28 × 43,180.23
  4. Step 4: Simplify right side
    77,173.77x = 4,598,360,927.72
  5. Step 5: Solve for x
    x = 4,598,360,927.72/77,173.77
  6. Step 6: Final answer
    x = 59,584.51

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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.