Home / 78,298.70-117,457.16-24,972.08

Finding the Fourth Proportional to 78,298.70, 117,457.16 and 24,972.08

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Solution

The fourth proportional to 78,298.70, 117,457.16 and 24,972.08 is: 37,461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,298.70 : 117,457.16 = 24,972.08 : x
  2. Step 2: Convert to fraction form
    78,298.70/117,457.16 = 24,972.08/x
  3. Step 3: Cross multiply
    78,298.70x = 117,457.16 × 24,972.08
  4. Step 4: Simplify right side
    78,298.70x = 2,933,148,883.95
  5. Step 5: Solve for x
    x = 2,933,148,883.95/78,298.70
  6. Step 6: Final answer
    x = 37,461.02

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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.