Home / 81,124.74-111,952.53-45,316.26

Finding the Fourth Proportional to 81,124.74, 111,952.53 and 45,316.26

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Solution

The fourth proportional to 81,124.74, 111,952.53 and 45,316.26 is: 62,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,124.74 : 111,952.53 = 45,316.26 : x
  2. Step 2: Convert to fraction form
    81,124.74/111,952.53 = 45,316.26/x
  3. Step 3: Cross multiply
    81,124.74x = 111,952.53 × 45,316.26
  4. Step 4: Simplify right side
    81,124.74x = 5,073,269,957.14
  5. Step 5: Solve for x
    x = 5,073,269,957.14/81,124.74
  6. Step 6: Final answer
    x = 62,536.66

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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.