Home / 58,518.45-80,733.81-38,386.51

Finding the Fourth Proportional to 58,518.45, 80,733.81 and 38,386.51

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Solution

The fourth proportional to 58,518.45, 80,733.81 and 38,386.51 is: 52,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,518.45 : 80,733.81 = 38,386.51 : x
  2. Step 2: Convert to fraction form
    58,518.45/80,733.81 = 38,386.51/x
  3. Step 3: Cross multiply
    58,518.45x = 80,733.81 × 38,386.51
  4. Step 4: Simplify right side
    58,518.45x = 3,099,089,147.02
  5. Step 5: Solve for x
    x = 3,099,089,147.02/58,518.45
  6. Step 6: Final answer
    x = 52,959.18

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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.