Home / 92,457.76-138,707.44-29,281.72

Finding the Fourth Proportional to 92,457.76, 138,707.44 and 29,281.72

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Solution

The fourth proportional to 92,457.76, 138,707.44 and 29,281.72 is: 43,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,457.76 : 138,707.44 = 29,281.72 : x
  2. Step 2: Convert to fraction form
    92,457.76/138,707.44 = 29,281.72/x
  3. Step 3: Cross multiply
    92,457.76x = 138,707.44 × 29,281.72
  4. Step 4: Simplify right side
    92,457.76x = 4,061,592,420.00
  5. Step 5: Solve for x
    x = 4,061,592,420.00/92,457.76
  6. Step 6: Final answer
    x = 43,929.17

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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.