Home / 72,856.12-100,551.02-41,031.24

Finding the Fourth Proportional to 72,856.12, 100,551.02 and 41,031.24

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Solution

The fourth proportional to 72,856.12, 100,551.02 and 41,031.24 is: 56,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,856.12 : 100,551.02 = 41,031.24 : x
  2. Step 2: Convert to fraction form
    72,856.12/100,551.02 = 41,031.24/x
  3. Step 3: Cross multiply
    72,856.12x = 100,551.02 × 41,031.24
  4. Step 4: Simplify right side
    72,856.12x = 4,125,733,033.86
  5. Step 5: Solve for x
    x = 4,125,733,033.86/72,856.12
  6. Step 6: Final answer
    x = 56,628.50

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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.