Home / 70,147.62-96,803.19-38,316.51

Finding the Fourth Proportional to 70,147.62, 96,803.19 and 38,316.51

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Solution

The fourth proportional to 70,147.62, 96,803.19 and 38,316.51 is: 52,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,147.62 : 96,803.19 = 38,316.51 : x
  2. Step 2: Convert to fraction form
    70,147.62/96,803.19 = 38,316.51/x
  3. Step 3: Cross multiply
    70,147.62x = 96,803.19 × 38,316.51
  4. Step 4: Simplify right side
    70,147.62x = 3,709,160,397.67
  5. Step 5: Solve for x
    x = 3,709,160,397.67/70,147.62
  6. Step 6: Final answer
    x = 52,876.50

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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.