Home / 110,985.40-153,130.33-63,237.72

Finding the Fourth Proportional to 110,985.40, 153,130.33 and 63,237.72

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Solution

The fourth proportional to 110,985.40, 153,130.33 and 63,237.72 is: 87,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,985.40 : 153,130.33 = 63,237.72 : x
  2. Step 2: Convert to fraction form
    110,985.40/153,130.33 = 63,237.72/x
  3. Step 3: Cross multiply
    110,985.40x = 153,130.33 × 63,237.72
  4. Step 4: Simplify right side
    110,985.40x = 9,683,612,932.05
  5. Step 5: Solve for x
    x = 9,683,612,932.05/110,985.40
  6. Step 6: Final answer
    x = 87,251.23

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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.