Home / 60,585.40-83,550.18-40,135.06

Finding the Fourth Proportional to 60,585.40, 83,550.18 and 40,135.06

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Solution

The fourth proportional to 60,585.40, 83,550.18 and 40,135.06 is: 55,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,585.40 : 83,550.18 = 40,135.06 : x
  2. Step 2: Convert to fraction form
    60,585.40/83,550.18 = 40,135.06/x
  3. Step 3: Cross multiply
    60,585.40x = 83,550.18 × 40,135.06
  4. Step 4: Simplify right side
    60,585.40x = 3,353,291,487.31
  5. Step 5: Solve for x
    x = 3,353,291,487.31/60,585.40
  6. Step 6: Final answer
    x = 55,348.18

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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.