Home / 97,742.10-146,547.45-38,547.30

Finding the Fourth Proportional to 97,742.10, 146,547.45 and 38,547.30

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Solution

The fourth proportional to 97,742.10, 146,547.45 and 38,547.30 is: 57,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,742.10 : 146,547.45 = 38,547.30 : x
  2. Step 2: Convert to fraction form
    97,742.10/146,547.45 = 38,547.30/x
  3. Step 3: Cross multiply
    97,742.10x = 146,547.45 × 38,547.30
  4. Step 4: Simplify right side
    97,742.10x = 5,649,008,519.39
  5. Step 5: Solve for x
    x = 5,649,008,519.39/97,742.10
  6. Step 6: Final answer
    x = 57,795.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.