Home / 114,284.48-157,693.84-71,812.96

Finding the Fourth Proportional to 114,284.48, 157,693.84 and 71,812.96

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Solution

The fourth proportional to 114,284.48, 157,693.84 and 71,812.96 is: 99,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,284.48 : 157,693.84 = 71,812.96 : x
  2. Step 2: Convert to fraction form
    114,284.48/157,693.84 = 71,812.96/x
  3. Step 3: Cross multiply
    114,284.48x = 157,693.84 × 71,812.96
  4. Step 4: Simplify right side
    114,284.48x = 11,324,461,424.17
  5. Step 5: Solve for x
    x = 11,324,461,424.17/114,284.48
  6. Step 6: Final answer
    x = 99,090.11

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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.