Home / 70,007.09-96,608.30-38,175.30

Finding the Fourth Proportional to 70,007.09, 96,608.30 and 38,175.30

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Solution

The fourth proportional to 70,007.09, 96,608.30 and 38,175.30 is: 52,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,007.09 : 96,608.30 = 38,175.30 : x
  2. Step 2: Convert to fraction form
    70,007.09/96,608.30 = 38,175.30/x
  3. Step 3: Cross multiply
    70,007.09x = 96,608.30 × 38,175.30
  4. Step 4: Simplify right side
    70,007.09x = 3,688,050,644.11
  5. Step 5: Solve for x
    x = 3,688,050,644.11/70,007.09
  6. Step 6: Final answer
    x = 52,681.11

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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.