Home / 83,150.08-114,741.12-45,416.32

Finding the Fourth Proportional to 83,150.08, 114,741.12 and 45,416.32

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Solution

The fourth proportional to 83,150.08, 114,741.12 and 45,416.32 is: 62,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,150.08 : 114,741.12 = 45,416.32 : x
  2. Step 2: Convert to fraction form
    83,150.08/114,741.12 = 45,416.32/x
  3. Step 3: Cross multiply
    83,150.08x = 114,741.12 × 45,416.32
  4. Step 4: Simplify right side
    83,150.08x = 5,211,119,423.08
  5. Step 5: Solve for x
    x = 5,211,119,423.08/83,150.08
  6. Step 6: Final answer
    x = 62,671.25

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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.