Home / 110,905.10-153,048.86-63,158.48

Finding the Fourth Proportional to 110,905.10, 153,048.86 and 63,158.48

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Solution

The fourth proportional to 110,905.10, 153,048.86 and 63,158.48 is: 87,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,905.10 : 153,048.86 = 63,158.48 : x
  2. Step 2: Convert to fraction form
    110,905.10/153,048.86 = 63,158.48/x
  3. Step 3: Cross multiply
    110,905.10x = 153,048.86 × 63,158.48
  4. Step 4: Simplify right side
    110,905.10x = 9,666,333,363.33
  5. Step 5: Solve for x
    x = 9,666,333,363.33/110,905.10
  6. Step 6: Final answer
    x = 87,158.60

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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.