Home / 64,594.56-89,104.02-40,680.12

Finding the Fourth Proportional to 64,594.56, 89,104.02 and 40,680.12

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Solution

The fourth proportional to 64,594.56, 89,104.02 and 40,680.12 is: 56,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,594.56 : 89,104.02 = 40,680.12 : x
  2. Step 2: Convert to fraction form
    64,594.56/89,104.02 = 40,680.12/x
  3. Step 3: Cross multiply
    64,594.56x = 89,104.02 × 40,680.12
  4. Step 4: Simplify right side
    64,594.56x = 3,624,762,226.08
  5. Step 5: Solve for x
    x = 3,624,762,226.08/64,594.56
  6. Step 6: Final answer
    x = 56,115.60

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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.