Home / 64,916.25-89,582.80-36,619.71

Finding the Fourth Proportional to 64,916.25, 89,582.80 and 36,619.71

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Solution

The fourth proportional to 64,916.25, 89,582.80 and 36,619.71 is: 50,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.25 : 89,582.80 = 36,619.71 : x
  2. Step 2: Convert to fraction form
    64,916.25/89,582.80 = 36,619.71/x
  3. Step 3: Cross multiply
    64,916.25x = 89,582.80 × 36,619.71
  4. Step 4: Simplify right side
    64,916.25x = 3,280,496,156.99
  5. Step 5: Solve for x
    x = 3,280,496,156.99/64,916.25
  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.