Home / 47,313.10-70,969.65-45,498.70

Finding the Fourth Proportional to 47,313.10, 70,969.65 and 45,498.70

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Solution

The fourth proportional to 47,313.10, 70,969.65 and 45,498.70 is: 68,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,313.10 : 70,969.65 = 45,498.70 : x
  2. Step 2: Convert to fraction form
    47,313.10/70,969.65 = 45,498.70/x
  3. Step 3: Cross multiply
    47,313.10x = 70,969.65 × 45,498.70
  4. Step 4: Simplify right side
    47,313.10x = 3,229,026,814.46
  5. Step 5: Solve for x
    x = 3,229,026,814.46/47,313.10
  6. Step 6: Final answer
    x = 68,248.05

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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.