Home / 64,765.16-89,366.02-36,470.12

Finding the Fourth Proportional to 64,765.16, 89,366.02 and 36,470.12

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Solution

The fourth proportional to 64,765.16, 89,366.02 and 36,470.12 is: 50,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.16 : 89,366.02 = 36,470.12 : x
  2. Step 2: Convert to fraction form
    64,765.16/89,366.02 = 36,470.12/x
  3. Step 3: Cross multiply
    64,765.16x = 89,366.02 × 36,470.12
  4. Step 4: Simplify right side
    64,765.16x = 3,259,189,473.32
  5. Step 5: Solve for x
    x = 3,259,189,473.32/64,765.16
  6. Step 6: Final answer
    x = 50,323.19

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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.