Home / 65,622.15-90,527.63-38,746.76

Finding the Fourth Proportional to 65,622.15, 90,527.63 and 38,746.76

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Solution

The fourth proportional to 65,622.15, 90,527.63 and 38,746.76 is: 53,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,622.15 : 90,527.63 = 38,746.76 : x
  2. Step 2: Convert to fraction form
    65,622.15/90,527.63 = 38,746.76/x
  3. Step 3: Cross multiply
    65,622.15x = 90,527.63 × 38,746.76
  4. Step 4: Simplify right side
    65,622.15x = 3,507,651,706.61
  5. Step 5: Solve for x
    x = 3,507,651,706.61/65,622.15
  6. Step 6: Final answer
    x = 53,452.25

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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.