Home / 70,513.57-97,308.23-38,248.05

Finding the Fourth Proportional to 70,513.57, 97,308.23 and 38,248.05

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Solution

The fourth proportional to 70,513.57, 97,308.23 and 38,248.05 is: 52,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,513.57 : 97,308.23 = 38,248.05 : x
  2. Step 2: Convert to fraction form
    70,513.57/97,308.23 = 38,248.05/x
  3. Step 3: Cross multiply
    70,513.57x = 97,308.23 × 38,248.05
  4. Step 4: Simplify right side
    70,513.57x = 3,721,850,046.45
  5. Step 5: Solve for x
    x = 3,721,850,046.45/70,513.57
  6. Step 6: Final answer
    x = 52,782.04

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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.