Home / 70,602.25-97,431.37-38,336.91

Finding the Fourth Proportional to 70,602.25, 97,431.37 and 38,336.91

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Solution

The fourth proportional to 70,602.25, 97,431.37 and 38,336.91 is: 52,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602.25 : 97,431.37 = 38,336.91 : x
  2. Step 2: Convert to fraction form
    70,602.25/97,431.37 = 38,336.91/x
  3. Step 3: Cross multiply
    70,602.25x = 97,431.37 × 38,336.91
  4. Step 4: Simplify right side
    70,602.25x = 3,735,217,662.87
  5. Step 5: Solve for x
    x = 3,735,217,662.87/70,602.25
  6. Step 6: Final answer
    x = 52,905.08

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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.