Home / 70,372.48-97,116.34-38,543.12

Finding the Fourth Proportional to 70,372.48, 97,116.34 and 38,543.12

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Solution

The fourth proportional to 70,372.48, 97,116.34 and 38,543.12 is: 53,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.48 : 97,116.34 = 38,543.12 : x
  2. Step 2: Convert to fraction form
    70,372.48/97,116.34 = 38,543.12/x
  3. Step 3: Cross multiply
    70,372.48x = 97,116.34 × 38,543.12
  4. Step 4: Simplify right side
    70,372.48x = 3,743,166,746.58
  5. Step 5: Solve for x
    x = 3,743,166,746.58/70,372.48
  6. Step 6: Final answer
    x = 53,190.77

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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.