Home / 110,887.11-153,025.67-63,140.65

Finding the Fourth Proportional to 110,887.11, 153,025.67 and 63,140.65

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Solution

The fourth proportional to 110,887.11, 153,025.67 and 63,140.65 is: 87,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,887.11 : 153,025.67 = 63,140.65 : x
  2. Step 2: Convert to fraction form
    110,887.11/153,025.67 = 63,140.65/x
  3. Step 3: Cross multiply
    110,887.11x = 153,025.67 × 63,140.65
  4. Step 4: Simplify right side
    110,887.11x = 9,662,140,045.77
  5. Step 5: Solve for x
    x = 9,662,140,045.77/110,887.11
  6. Step 6: Final answer
    x = 87,134.93

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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.