Home / 70,573.05-97,390.37-38,308.30

Finding the Fourth Proportional to 70,573.05, 97,390.37 and 38,308.30

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Solution

The fourth proportional to 70,573.05, 97,390.37 and 38,308.30 is: 52,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,573.05 : 97,390.37 = 38,308.30 : x
  2. Step 2: Convert to fraction form
    70,573.05/97,390.37 = 38,308.30/x
  3. Step 3: Cross multiply
    70,573.05x = 97,390.37 × 38,308.30
  4. Step 4: Simplify right side
    70,573.05x = 3,730,859,363.37
  5. Step 5: Solve for x
    x = 3,730,859,363.37/70,573.05
  6. Step 6: Final answer
    x = 52,865.21

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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.