Home / 64,916.28-89,582.76-36,619.74

Finding the Fourth Proportional to 64,916.28, 89,582.76 and 36,619.74

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Solution

The fourth proportional to 64,916.28, 89,582.76 and 36,619.74 is: 50,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.28 : 89,582.76 = 36,619.74 : x
  2. Step 2: Convert to fraction form
    64,916.28/89,582.76 = 36,619.74/x
  3. Step 3: Cross multiply
    64,916.28x = 89,582.76 × 36,619.74
  4. Step 4: Simplify right side
    64,916.28x = 3,280,497,379.68
  5. Step 5: Solve for x
    x = 3,280,497,379.68/64,916.28
  6. Step 6: Final answer
    x = 50,534.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.