Home / 70,765.26-97,656.83-38,500.06

Finding the Fourth Proportional to 70,765.26, 97,656.83 and 38,500.06

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Solution

The fourth proportional to 70,765.26, 97,656.83 and 38,500.06 is: 53,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,765.26 : 97,656.83 = 38,500.06 : x
  2. Step 2: Convert to fraction form
    70,765.26/97,656.83 = 38,500.06/x
  3. Step 3: Cross multiply
    70,765.26x = 97,656.83 × 38,500.06
  4. Step 4: Simplify right side
    70,765.26x = 3,759,793,814.41
  5. Step 5: Solve for x
    x = 3,759,793,814.41/70,765.26
  6. Step 6: Final answer
    x = 53,130.50

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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.