Home / 75,054.83-112,572.52-28,301.63

Finding the Fourth Proportional to 75,054.83, 112,572.52 and 28,301.63

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Solution

The fourth proportional to 75,054.83, 112,572.52 and 28,301.63 is: 42,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.83 : 112,572.52 = 28,301.63 : x
  2. Step 2: Convert to fraction form
    75,054.83/112,572.52 = 28,301.63/x
  3. Step 3: Cross multiply
    75,054.83x = 112,572.52 × 28,301.63
  4. Step 4: Simplify right side
    75,054.83x = 3,185,985,175.59
  5. Step 5: Solve for x
    x = 3,185,985,175.59/75,054.83
  6. Step 6: Final answer
    x = 42,448.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.