Home / 113,823.69-157,076.93-62,836.49

Finding the Fourth Proportional to 113,823.69, 157,076.93 and 62,836.49

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Solution

The fourth proportional to 113,823.69, 157,076.93 and 62,836.49 is: 86,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823.69 : 157,076.93 = 62,836.49 : x
  2. Step 2: Convert to fraction form
    113,823.69/157,076.93 = 62,836.49/x
  3. Step 3: Cross multiply
    113,823.69x = 157,076.93 × 62,836.49
  4. Step 4: Simplify right side
    113,823.69x = 9,870,162,941.18
  5. Step 5: Solve for x
    x = 9,870,162,941.18/113,823.69
  6. Step 6: Final answer
    x = 86,714.49

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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.