Home / 89,457.19-134,066.71-47,328.28

Finding the Fourth Proportional to 89,457.19, 134,066.71 and 47,328.28

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Solution

The fourth proportional to 89,457.19, 134,066.71 and 47,328.28 is: 70,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.19 : 134,066.71 = 47,328.28 : x
  2. Step 2: Convert to fraction form
    89,457.19/134,066.71 = 47,328.28/x
  3. Step 3: Cross multiply
    89,457.19x = 134,066.71 × 47,328.28
  4. Step 4: Simplify right side
    89,457.19x = 6,345,146,789.56
  5. Step 5: Solve for x
    x = 6,345,146,789.56/89,457.19
  6. Step 6: Final answer
    x = 70,929.42

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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.