Home / 81,483.19-112,444.66-45,675.52

Finding the Fourth Proportional to 81,483.19, 112,444.66 and 45,675.52

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Solution

The fourth proportional to 81,483.19, 112,444.66 and 45,675.52 is: 63,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,483.19 : 112,444.66 = 45,675.52 : x
  2. Step 2: Convert to fraction form
    81,483.19/112,444.66 = 45,675.52/x
  3. Step 3: Cross multiply
    81,483.19x = 112,444.66 × 45,675.52
  4. Step 4: Simplify right side
    81,483.19x = 5,135,968,316.72
  5. Step 5: Solve for x
    x = 5,135,968,316.72/81,483.19
  6. Step 6: Final answer
    x = 63,031.02

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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.