Home / 104,785.08-144,603.26-57,038.28

Finding the Fourth Proportional to 104,785.08, 144,603.26 and 57,038.28

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Solution

The fourth proportional to 104,785.08, 144,603.26 and 57,038.28 is: 78,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.08 : 144,603.26 = 57,038.28 : x
  2. Step 2: Convert to fraction form
    104,785.08/144,603.26 = 57,038.28/x
  3. Step 3: Cross multiply
    104,785.08x = 144,603.26 × 57,038.28
  4. Step 4: Simplify right side
    104,785.08x = 8,247,921,232.79
  5. Step 5: Solve for x
    x = 8,247,921,232.79/104,785.08
  6. Step 6: Final answer
    x = 78,712.74

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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.