Home / 92,688.12-127,908.05-52,400.34

Finding the Fourth Proportional to 92,688.12, 127,908.05 and 52,400.34

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Solution

The fourth proportional to 92,688.12, 127,908.05 and 52,400.34 is: 72,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,688.12 : 127,908.05 = 52,400.34 : x
  2. Step 2: Convert to fraction form
    92,688.12/127,908.05 = 52,400.34/x
  3. Step 3: Cross multiply
    92,688.12x = 127,908.05 × 52,400.34
  4. Step 4: Simplify right side
    92,688.12x = 6,702,425,046.74
  5. Step 5: Solve for x
    x = 6,702,425,046.74/92,688.12
  6. Step 6: Final answer
    x = 72,311.59

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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.