Home / 84,415.02-126,585.60-40,054.43

Finding the Fourth Proportional to 84,415.02, 126,585.60 and 40,054.43

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Solution

The fourth proportional to 84,415.02, 126,585.60 and 40,054.43 is: 60,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,415.02 : 126,585.60 = 40,054.43 : x
  2. Step 2: Convert to fraction form
    84,415.02/126,585.60 = 40,054.43/x
  3. Step 3: Cross multiply
    84,415.02x = 126,585.60 × 40,054.43
  4. Step 4: Simplify right side
    84,415.02x = 5,070,314,054.21
  5. Step 5: Solve for x
    x = 5,070,314,054.21/84,415.02
  6. Step 6: Final answer
    x = 60,064.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.