Home / 81,564.04-112,561.56-45,265.24

Finding the Fourth Proportional to 81,564.04, 112,561.56 and 45,265.24

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Solution

The fourth proportional to 81,564.04, 112,561.56 and 45,265.24 is: 62,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,564.04 : 112,561.56 = 45,265.24 : x
  2. Step 2: Convert to fraction form
    81,564.04/112,561.56 = 45,265.24/x
  3. Step 3: Cross multiply
    81,564.04x = 112,561.56 × 45,265.24
  4. Step 4: Simplify right side
    81,564.04x = 5,095,126,028.17
  5. Step 5: Solve for x
    x = 5,095,126,028.17/81,564.04
  6. Step 6: Final answer
    x = 62,467.80

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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.