Home / 65,820.28-90,829.74-37,535.08

Finding the Fourth Proportional to 65,820.28, 90,829.74 and 37,535.08

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Solution

The fourth proportional to 65,820.28, 90,829.74 and 37,535.08 is: 51,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,820.28 : 90,829.74 = 37,535.08 : x
  2. Step 2: Convert to fraction form
    65,820.28/90,829.74 = 37,535.08/x
  3. Step 3: Cross multiply
    65,820.28x = 90,829.74 × 37,535.08
  4. Step 4: Simplify right side
    65,820.28x = 3,409,301,557.28
  5. Step 5: Solve for x
    x = 3,409,301,557.28/65,820.28
  6. Step 6: Final answer
    x = 51,797.13

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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.