Home / 124,639.10-186,958.65-45,727.10

Finding the Fourth Proportional to 124,639.10, 186,958.65 and 45,727.10

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Solution

The fourth proportional to 124,639.10, 186,958.65 and 45,727.10 is: 68,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,639.10 : 186,958.65 = 45,727.10 : x
  2. Step 2: Convert to fraction form
    124,639.10/186,958.65 = 45,727.10/x
  3. Step 3: Cross multiply
    124,639.10x = 186,958.65 × 45,727.10
  4. Step 4: Simplify right side
    124,639.10x = 8,549,076,884.42
  5. Step 5: Solve for x
    x = 8,549,076,884.42/124,639.10
  6. Step 6: Final answer
    x = 68,590.65

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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.