Home / 105,276.30-145,296.11-67,023.63

Finding the Fourth Proportional to 105,276.30, 145,296.11 and 67,023.63

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Solution

The fourth proportional to 105,276.30, 145,296.11 and 67,023.63 is: 92,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,276.30 : 145,296.11 = 67,023.63 : x
  2. Step 2: Convert to fraction form
    105,276.30/145,296.11 = 67,023.63/x
  3. Step 3: Cross multiply
    105,276.30x = 145,296.11 × 67,023.63
  4. Step 4: Simplify right side
    105,276.30x = 9,738,272,717.08
  5. Step 5: Solve for x
    x = 9,738,272,717.08/105,276.30
  6. Step 6: Final answer
    x = 92,502.04

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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.