Home / 84,570.04-126,854.34-25,405.48

Finding the Fourth Proportional to 84,570.04, 126,854.34 and 25,405.48

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Solution

The fourth proportional to 84,570.04, 126,854.34 and 25,405.48 is: 38,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570.04 : 126,854.34 = 25,405.48 : x
  2. Step 2: Convert to fraction form
    84,570.04/126,854.34 = 25,405.48/x
  3. Step 3: Cross multiply
    84,570.04x = 126,854.34 × 25,405.48
  4. Step 4: Simplify right side
    84,570.04x = 3,222,795,397.78
  5. Step 5: Solve for x
    x = 3,222,795,397.78/84,570.04
  6. Step 6: Final answer
    x = 38,108.00

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1.5x scale

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.