Home / 65,626.29-90,533.52-38,750.49

Finding the Fourth Proportional to 65,626.29, 90,533.52 and 38,750.49

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Solution

The fourth proportional to 65,626.29, 90,533.52 and 38,750.49 is: 53,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,626.29 : 90,533.52 = 38,750.49 : x
  2. Step 2: Convert to fraction form
    65,626.29/90,533.52 = 38,750.49/x
  3. Step 3: Cross multiply
    65,626.29x = 90,533.52 × 38,750.49
  4. Step 4: Simplify right side
    65,626.29x = 3,508,218,261.42
  5. Step 5: Solve for x
    x = 3,508,218,261.42/65,626.29
  6. Step 6: Final answer
    x = 53,457.51

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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.