Home / 70,457.39-97,228.62-38,625.59

Finding the Fourth Proportional to 70,457.39, 97,228.62 and 38,625.59

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Solution

The fourth proportional to 70,457.39, 97,228.62 and 38,625.59 is: 53,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457.39 : 97,228.62 = 38,625.59 : x
  2. Step 2: Convert to fraction form
    70,457.39/97,228.62 = 38,625.59/x
  3. Step 3: Cross multiply
    70,457.39x = 97,228.62 × 38,625.59
  4. Step 4: Simplify right side
    70,457.39x = 3,755,512,812.39
  5. Step 5: Solve for x
    x = 3,755,512,812.39/70,457.39
  6. Step 6: Final answer
    x = 53,301.90

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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.