Home / 97,810.75-146,770.65-52,831.20

Finding the Fourth Proportional to 97,810.75, 146,770.65 and 52,831.20

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Solution

The fourth proportional to 97,810.75, 146,770.65 and 52,831.20 is: 79,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,810.75 : 146,770.65 = 52,831.20 : x
  2. Step 2: Convert to fraction form
    97,810.75/146,770.65 = 52,831.20/x
  3. Step 3: Cross multiply
    97,810.75x = 146,770.65 × 52,831.20
  4. Step 4: Simplify right side
    97,810.75x = 7,754,069,791.80
  5. Step 5: Solve for x
    x = 7,754,069,791.80/97,810.75
  6. Step 6: Final answer
    x = 79,276.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.