Home / 54,492.18-81,688.74-48,587.28

Finding the Fourth Proportional to 54,492.18, 81,688.74 and 48,587.28

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Solution

The fourth proportional to 54,492.18, 81,688.74 and 48,587.28 is: 72,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492.18 : 81,688.74 = 48,587.28 : x
  2. Step 2: Convert to fraction form
    54,492.18/81,688.74 = 48,587.28/x
  3. Step 3: Cross multiply
    54,492.18x = 81,688.74 × 48,587.28
  4. Step 4: Simplify right side
    54,492.18x = 3,969,033,683.23
  5. Step 5: Solve for x
    x = 3,969,033,683.23/54,492.18
  6. Step 6: Final answer
    x = 72,836.76

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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.