Home / 65,397.38-90,275.79-44,205.35

Finding the Fourth Proportional to 65,397.38, 90,275.79 and 44,205.35

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Solution

The fourth proportional to 65,397.38, 90,275.79 and 44,205.35 is: 61,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,397.38 : 90,275.79 = 44,205.35 : x
  2. Step 2: Convert to fraction form
    65,397.38/90,275.79 = 44,205.35/x
  3. Step 3: Cross multiply
    65,397.38x = 90,275.79 × 44,205.35
  4. Step 4: Simplify right side
    65,397.38x = 3,990,672,893.48
  5. Step 5: Solve for x
    x = 3,990,672,893.48/65,397.38
  6. Step 6: Final answer
    x = 61,021.91

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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.