Home / 102,239.17-153,390.06-52,354.59

Finding the Fourth Proportional to 102,239.17, 153,390.06 and 52,354.59

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Solution

The fourth proportional to 102,239.17, 153,390.06 and 52,354.59 is: 78,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,239.17 : 153,390.06 = 52,354.59 : x
  2. Step 2: Convert to fraction form
    102,239.17/153,390.06 = 52,354.59/x
  3. Step 3: Cross multiply
    102,239.17x = 153,390.06 × 52,354.59
  4. Step 4: Simplify right side
    102,239.17x = 8,030,673,073.64
  5. Step 5: Solve for x
    x = 8,030,673,073.64/102,239.17
  6. Step 6: Final answer
    x = 78,547.91

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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.