Home / 94,066.28-129,813-51,628.76

Finding the Fourth Proportional to 94,066.28, 129,813 and 51,628.76

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Solution

The fourth proportional to 94,066.28, 129,813 and 51,628.76 is: 71,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,066.28 : 129,813 = 51,628.76 : x
  2. Step 2: Convert to fraction form
    94,066.28/129,813 = 51,628.76/x
  3. Step 3: Cross multiply
    94,066.28x = 129,813 × 51,628.76
  4. Step 4: Simplify right side
    94,066.28x = 6,702,084,221.88
  5. Step 5: Solve for x
    x = 6,702,084,221.88/94,066.28
  6. Step 6: Final answer
    x = 71,248.53

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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.