Home / 85,565.46-128,293.50-41,103.75

Finding the Fourth Proportional to 85,565.46, 128,293.50 and 41,103.75

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Solution

The fourth proportional to 85,565.46, 128,293.50 and 41,103.75 is: 61,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,565.46 : 128,293.50 = 41,103.75 : x
  2. Step 2: Convert to fraction form
    85,565.46/128,293.50 = 41,103.75/x
  3. Step 3: Cross multiply
    85,565.46x = 128,293.50 × 41,103.75
  4. Step 4: Simplify right side
    85,565.46x = 5,273,343,950.63
  5. Step 5: Solve for x
    x = 5,273,343,950.63/85,565.46
  6. Step 6: Final answer
    x = 61,629.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.