Home / 70,478.26-97,311.04-45,371.50

Finding the Fourth Proportional to 70,478.26, 97,311.04 and 45,371.50

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Solution

The fourth proportional to 70,478.26, 97,311.04 and 45,371.50 is: 62,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,478.26 : 97,311.04 = 45,371.50 : x
  2. Step 2: Convert to fraction form
    70,478.26/97,311.04 = 45,371.50/x
  3. Step 3: Cross multiply
    70,478.26x = 97,311.04 × 45,371.50
  4. Step 4: Simplify right side
    70,478.26x = 4,415,147,851.36
  5. Step 5: Solve for x
    x = 4,415,147,851.36/70,478.26
  6. Step 6: Final answer
    x = 62,645.53

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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.