Home / 104,399.18-144,188.45-70,547.61

Finding the Fourth Proportional to 104,399.18, 144,188.45 and 70,547.61

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Solution

The fourth proportional to 104,399.18, 144,188.45 and 70,547.61 is: 97,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,399.18 : 144,188.45 = 70,547.61 : x
  2. Step 2: Convert to fraction form
    104,399.18/144,188.45 = 70,547.61/x
  3. Step 3: Cross multiply
    104,399.18x = 144,188.45 × 70,547.61
  4. Step 4: Simplify right side
    104,399.18x = 10,172,150,575.40
  5. Step 5: Solve for x
    x = 10,172,150,575.40/104,399.18
  6. Step 6: Final answer
    x = 97,435.16

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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.