Home / 83,653.57-115,437.99-45,412.27

Finding the Fourth Proportional to 83,653.57, 115,437.99 and 45,412.27

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Solution

The fourth proportional to 83,653.57, 115,437.99 and 45,412.27 is: 62,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,653.57 : 115,437.99 = 45,412.27 : x
  2. Step 2: Convert to fraction form
    83,653.57/115,437.99 = 45,412.27/x
  3. Step 3: Cross multiply
    83,653.57x = 115,437.99 × 45,412.27
  4. Step 4: Simplify right side
    83,653.57x = 5,242,301,170.14
  5. Step 5: Solve for x
    x = 5,242,301,170.14/83,653.57
  6. Step 6: Final answer
    x = 62,666.80

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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.