Home / 81,492.06-112,459.45-47,524.11

Finding the Fourth Proportional to 81,492.06, 112,459.45 and 47,524.11

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Solution

The fourth proportional to 81,492.06, 112,459.45 and 47,524.11 is: 65,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492.06 : 112,459.45 = 47,524.11 : x
  2. Step 2: Convert to fraction form
    81,492.06/112,459.45 = 47,524.11/x
  3. Step 3: Cross multiply
    81,492.06x = 112,459.45 × 47,524.11
  4. Step 4: Simplify right side
    81,492.06x = 5,344,535,272.34
  5. Step 5: Solve for x
    x = 5,344,535,272.34/81,492.06
  6. Step 6: Final answer
    x = 65,583.51

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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.