Home / 65,624.30-90,561.51-35,816.30

Finding the Fourth Proportional to 65,624.30, 90,561.51 and 35,816.30

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Solution

The fourth proportional to 65,624.30, 90,561.51 and 35,816.30 is: 49,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,624.30 : 90,561.51 = 35,816.30 : x
  2. Step 2: Convert to fraction form
    65,624.30/90,561.51 = 35,816.30/x
  3. Step 3: Cross multiply
    65,624.30x = 90,561.51 × 35,816.30
  4. Step 4: Simplify right side
    65,624.30x = 3,243,578,210.61
  5. Step 5: Solve for x
    x = 3,243,578,210.61/65,624.30
  6. Step 6: Final answer
    x = 49,426.48

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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.