Home / 84,962.08-126,726.14-73,780.84

Finding the Fourth Proportional to 84,962.08, 126,726.14 and 73,780.84

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Solution

The fourth proportional to 84,962.08, 126,726.14 and 73,780.84 is: 110,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,962.08 : 126,726.14 = 73,780.84 : x
  2. Step 2: Convert to fraction form
    84,962.08/126,726.14 = 73,780.84/x
  3. Step 3: Cross multiply
    84,962.08x = 126,726.14 × 73,780.84
  4. Step 4: Simplify right side
    84,962.08x = 9,349,961,059.16
  5. Step 5: Solve for x
    x = 9,349,961,059.16/84,962.08
  6. Step 6: Final answer
    x = 110,048.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.