Home / 70,684.08-105,887.40-41,039.76

Finding the Fourth Proportional to 70,684.08, 105,887.40 and 41,039.76

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Solution

The fourth proportional to 70,684.08, 105,887.40 and 41,039.76 is: 61,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.08 : 105,887.40 = 41,039.76 : x
  2. Step 2: Convert to fraction form
    70,684.08/105,887.40 = 41,039.76/x
  3. Step 3: Cross multiply
    70,684.08x = 105,887.40 × 41,039.76
  4. Step 4: Simplify right side
    70,684.08x = 4,345,593,483.02
  5. Step 5: Solve for x
    x = 4,345,593,483.02/70,684.08
  6. Step 6: Final answer
    x = 61,479.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.