Home / 113,877.90-170,812.80-51,548.40

Finding the Fourth Proportional to 113,877.90, 170,812.80 and 51,548.40

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Solution

The fourth proportional to 113,877.90, 170,812.80 and 51,548.40 is: 77,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,877.90 : 170,812.80 = 51,548.40 : x
  2. Step 2: Convert to fraction form
    113,877.90/170,812.80 = 51,548.40/x
  3. Step 3: Cross multiply
    113,877.90x = 170,812.80 × 51,548.40
  4. Step 4: Simplify right side
    113,877.90x = 8,805,126,539.52
  5. Step 5: Solve for x
    x = 8,805,126,539.52/113,877.90
  6. Step 6: Final answer
    x = 77,320.77

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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.