Home / 48,095.68-72,144-16,931.20

Finding the Fourth Proportional to 48,095.68, 72,144 and 16,931.20

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Solution

The fourth proportional to 48,095.68, 72,144 and 16,931.20 is: 25,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,095.68 : 72,144 = 16,931.20 : x
  2. Step 2: Convert to fraction form
    48,095.68/72,144 = 16,931.20/x
  3. Step 3: Cross multiply
    48,095.68x = 72,144 × 16,931.20
  4. Step 4: Simplify right side
    48,095.68x = 1,221,484,492.80
  5. Step 5: Solve for x
    x = 1,221,484,492.80/48,095.68
  6. Step 6: Final answer
    x = 25,396.97

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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.