Home / 114,367.91-157,812.75-63,378.18

Finding the Fourth Proportional to 114,367.91, 157,812.75 and 63,378.18

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Solution

The fourth proportional to 114,367.91, 157,812.75 and 63,378.18 is: 87,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,367.91 : 157,812.75 = 63,378.18 : x
  2. Step 2: Convert to fraction form
    114,367.91/157,812.75 = 63,378.18/x
  3. Step 3: Cross multiply
    114,367.91x = 157,812.75 × 63,378.18
  4. Step 4: Simplify right side
    114,367.91x = 10,001,884,875.80
  5. Step 5: Solve for x
    x = 10,001,884,875.80/114,367.91
  6. Step 6: Final answer
    x = 87,453.60

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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.