Home / 110,901.10-153,043.35-63,154.47

Finding the Fourth Proportional to 110,901.10, 153,043.35 and 63,154.47

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Solution

The fourth proportional to 110,901.10, 153,043.35 and 63,154.47 is: 87,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,901.10 : 153,043.35 = 63,154.47 : x
  2. Step 2: Convert to fraction form
    110,901.10/153,043.35 = 63,154.47/x
  3. Step 3: Cross multiply
    110,901.10x = 153,043.35 × 63,154.47
  4. Step 4: Simplify right side
    110,901.10x = 9,665,371,656.27
  5. Step 5: Solve for x
    x = 9,665,371,656.27/110,901.10
  6. Step 6: Final answer
    x = 87,153.07

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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.