Home / 56,909.40-85,364.10-39,194.70

Finding the Fourth Proportional to 56,909.40, 85,364.10 and 39,194.70

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Solution

The fourth proportional to 56,909.40, 85,364.10 and 39,194.70 is: 58,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.40 : 85,364.10 = 39,194.70 : x
  2. Step 2: Convert to fraction form
    56,909.40/85,364.10 = 39,194.70/x
  3. Step 3: Cross multiply
    56,909.40x = 85,364.10 × 39,194.70
  4. Step 4: Simplify right side
    56,909.40x = 3,345,820,290.27
  5. Step 5: Solve for x
    x = 3,345,820,290.27/56,909.40
  6. Step 6: Final answer
    x = 58,792.05

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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.