Home / 113,878.14-157,153.10-62,890.80

Finding the Fourth Proportional to 113,878.14, 157,153.10 and 62,890.80

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Solution

The fourth proportional to 113,878.14, 157,153.10 and 62,890.80 is: 86,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.14 : 157,153.10 = 62,890.80 : x
  2. Step 2: Convert to fraction form
    113,878.14/157,153.10 = 62,890.80/x
  3. Step 3: Cross multiply
    113,878.14x = 157,153.10 × 62,890.80
  4. Step 4: Simplify right side
    113,878.14x = 9,883,484,181.48
  5. Step 5: Solve for x
    x = 9,883,484,181.48/113,878.14
  6. Step 6: Final answer
    x = 86,790.00

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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.