Home / 47,313.10-70,969.65-45,009.10

Finding the Fourth Proportional to 47,313.10, 70,969.65 and 45,009.10

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Solution

The fourth proportional to 47,313.10, 70,969.65 and 45,009.10 is: 67,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,313.10 : 70,969.65 = 45,009.10 : x
  2. Step 2: Convert to fraction form
    47,313.10/70,969.65 = 45,009.10/x
  3. Step 3: Cross multiply
    47,313.10x = 70,969.65 × 45,009.10
  4. Step 4: Simplify right side
    47,313.10x = 3,194,280,073.82
  5. Step 5: Solve for x
    x = 3,194,280,073.82/47,313.10
  6. Step 6: Final answer
    x = 67,513.65

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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.