Home / 64,916.58-89,589.06-36,621.66

Finding the Fourth Proportional to 64,916.58, 89,589.06 and 36,621.66

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Solution

The fourth proportional to 64,916.58, 89,589.06 and 36,621.66 is: 50,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.58 : 89,589.06 = 36,621.66 : x
  2. Step 2: Convert to fraction form
    64,916.58/89,589.06 = 36,621.66/x
  3. Step 3: Cross multiply
    64,916.58x = 89,589.06 × 36,621.66
  4. Step 4: Simplify right side
    64,916.58x = 3,280,900,095.04
  5. Step 5: Solve for x
    x = 3,280,900,095.04/64,916.58
  6. Step 6: Final answer
    x = 50,540.25

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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.