Home / 70,537.96-97,342.12-38,707.39

Finding the Fourth Proportional to 70,537.96, 97,342.12 and 38,707.39

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Solution

The fourth proportional to 70,537.96, 97,342.12 and 38,707.39 is: 53,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,537.96 : 97,342.12 = 38,707.39 : x
  2. Step 2: Convert to fraction form
    70,537.96/97,342.12 = 38,707.39/x
  3. Step 3: Cross multiply
    70,537.96x = 97,342.12 × 38,707.39
  4. Step 4: Simplify right side
    70,537.96x = 3,767,859,402.27
  5. Step 5: Solve for x
    x = 3,767,859,402.27/70,537.96
  6. Step 6: Final answer
    x = 53,416.05

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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.