Home / 64,725.39-89,317.71-36,432.90

Finding the Fourth Proportional to 64,725.39, 89,317.71 and 36,432.90

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Solution

The fourth proportional to 64,725.39, 89,317.71 and 36,432.90 is: 50,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725.39 : 89,317.71 = 36,432.90 : x
  2. Step 2: Convert to fraction form
    64,725.39/89,317.71 = 36,432.90/x
  3. Step 3: Cross multiply
    64,725.39x = 89,317.71 × 36,432.90
  4. Step 4: Simplify right side
    64,725.39x = 3,254,103,196.66
  5. Step 5: Solve for x
    x = 3,254,103,196.66/64,725.39
  6. Step 6: Final answer
    x = 50,275.53

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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.