Home / 92,742.58-127,973.10-51,905.62

Finding the Fourth Proportional to 92,742.58, 127,973.10 and 51,905.62

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Solution

The fourth proportional to 92,742.58, 127,973.10 and 51,905.62 is: 71,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742.58 : 127,973.10 = 51,905.62 : x
  2. Step 2: Convert to fraction form
    92,742.58/127,973.10 = 51,905.62/x
  3. Step 3: Cross multiply
    92,742.58x = 127,973.10 × 51,905.62
  4. Step 4: Simplify right side
    92,742.58x = 6,642,523,098.82
  5. Step 5: Solve for x
    x = 6,642,523,098.82/92,742.58
  6. Step 6: Final answer
    x = 71,623.23

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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.