Home / 114,387.90-157,864.75-63,416.62

Finding the Fourth Proportional to 114,387.90, 157,864.75 and 63,416.62

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Solution

The fourth proportional to 114,387.90, 157,864.75 and 63,416.62 is: 87,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,387.90 : 157,864.75 = 63,416.62 : x
  2. Step 2: Convert to fraction form
    114,387.90/157,864.75 = 63,416.62/x
  3. Step 3: Cross multiply
    114,387.90x = 157,864.75 × 63,416.62
  4. Step 4: Simplify right side
    114,387.90x = 10,011,247,755.74
  5. Step 5: Solve for x
    x = 10,011,247,755.74/114,387.90
  6. Step 6: Final answer
    x = 87,520.17

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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.