Home / 77,169-115,753.22-24,582.72

Finding the Fourth Proportional to 77,169, 115,753.22 and 24,582.72

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Solution

The fourth proportional to 77,169, 115,753.22 and 24,582.72 is: 36,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,169 : 115,753.22 = 24,582.72 : x
  2. Step 2: Convert to fraction form
    77,169/115,753.22 = 24,582.72/x
  3. Step 3: Cross multiply
    77,169x = 115,753.22 × 24,582.72
  4. Step 4: Simplify right side
    77,169x = 2,845,528,996.36
  5. Step 5: Solve for x
    x = 2,845,528,996.36/77,169
  6. Step 6: Final answer
    x = 36,873.99

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1.5x scale

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.