Home / 65,639.16-90,582.30-37,344.24

Finding the Fourth Proportional to 65,639.16, 90,582.30 and 37,344.24

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Solution

The fourth proportional to 65,639.16, 90,582.30 and 37,344.24 is: 51,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,639.16 : 90,582.30 = 37,344.24 : x
  2. Step 2: Convert to fraction form
    65,639.16/90,582.30 = 37,344.24/x
  3. Step 3: Cross multiply
    65,639.16x = 90,582.30 × 37,344.24
  4. Step 4: Simplify right side
    65,639.16x = 3,382,727,150.95
  5. Step 5: Solve for x
    x = 3,382,727,150.95/65,639.16
  6. Step 6: Final answer
    x = 51,535.20

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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.