Home / 125,778.48-173,574.28-75,477.52

Finding the Fourth Proportional to 125,778.48, 173,574.28 and 75,477.52

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Solution

The fourth proportional to 125,778.48, 173,574.28 and 75,477.52 is: 104,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,778.48 : 173,574.28 = 75,477.52 : x
  2. Step 2: Convert to fraction form
    125,778.48/173,574.28 = 75,477.52/x
  3. Step 3: Cross multiply
    125,778.48x = 173,574.28 × 75,477.52
  4. Step 4: Simplify right side
    125,778.48x = 13,100,956,190.19
  5. Step 5: Solve for x
    x = 13,100,956,190.19/125,778.48
  6. Step 6: Final answer
    x = 104,158.96

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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.