Home / 114,378.48-157,645.16-76,069.52

Finding the Fourth Proportional to 114,378.48, 157,645.16 and 76,069.52

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Solution

The fourth proportional to 114,378.48, 157,645.16 and 76,069.52 is: 104,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,378.48 : 157,645.16 = 76,069.52 : x
  2. Step 2: Convert to fraction form
    114,378.48/157,645.16 = 76,069.52/x
  3. Step 3: Cross multiply
    114,378.48x = 157,645.16 × 76,069.52
  4. Step 4: Simplify right side
    114,378.48x = 11,991,990,482.95
  5. Step 5: Solve for x
    x = 11,991,990,482.95/114,378.48
  6. Step 6: Final answer
    x = 104,844.81

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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.