Home / 77,023.29-106,281.68-43,027.59

Finding the Fourth Proportional to 77,023.29, 106,281.68 and 43,027.59

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Solution

The fourth proportional to 77,023.29, 106,281.68 and 43,027.59 is: 59,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,023.29 : 106,281.68 = 43,027.59 : x
  2. Step 2: Convert to fraction form
    77,023.29/106,281.68 = 43,027.59/x
  3. Step 3: Cross multiply
    77,023.29x = 106,281.68 × 43,027.59
  4. Step 4: Simplify right side
    77,023.29x = 4,573,044,551.55
  5. Step 5: Solve for x
    x = 4,573,044,551.55/77,023.29
  6. Step 6: Final answer
    x = 59,372.23

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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.