Home / 83,313.12-114,975-45,590.88

Finding the Fourth Proportional to 83,313.12, 114,975 and 45,590.88

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Solution

The fourth proportional to 83,313.12, 114,975 and 45,590.88 is: 62,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,313.12 : 114,975 = 45,590.88 : x
  2. Step 2: Convert to fraction form
    83,313.12/114,975 = 45,590.88/x
  3. Step 3: Cross multiply
    83,313.12x = 114,975 × 45,590.88
  4. Step 4: Simplify right side
    83,313.12x = 5,241,811,428
  5. Step 5: Solve for x
    x = 5,241,811,428/83,313.12
  6. Step 6: Final answer
    x = 62,917.00

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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.