Home / 74,896.06-112,312.89-30,492.67

Finding the Fourth Proportional to 74,896.06, 112,312.89 and 30,492.67

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Solution

The fourth proportional to 74,896.06, 112,312.89 and 30,492.67 is: 45,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896.06 : 112,312.89 = 30,492.67 : x
  2. Step 2: Convert to fraction form
    74,896.06/112,312.89 = 30,492.67/x
  3. Step 3: Cross multiply
    74,896.06x = 112,312.89 × 30,492.67
  4. Step 4: Simplify right side
    74,896.06x = 3,424,719,891.52
  5. Step 5: Solve for x
    x = 3,424,719,891.52/74,896.06
  6. Step 6: Final answer
    x = 45,726.30

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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.