Home / 76,207.04-105,193.32-62,035.28

Finding the Fourth Proportional to 76,207.04, 105,193.32 and 62,035.28

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Solution

The fourth proportional to 76,207.04, 105,193.32 and 62,035.28 is: 85,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,207.04 : 105,193.32 = 62,035.28 : x
  2. Step 2: Convert to fraction form
    76,207.04/105,193.32 = 62,035.28/x
  3. Step 3: Cross multiply
    76,207.04x = 105,193.32 × 62,035.28
  4. Step 4: Simplify right side
    76,207.04x = 6,525,697,060.33
  5. Step 5: Solve for x
    x = 6,525,697,060.33/76,207.04
  6. Step 6: Final answer
    x = 85,631.16

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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.