Home / 55,370.64-76,378.48-34,134.08

Finding the Fourth Proportional to 55,370.64, 76,378.48 and 34,134.08

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Solution

The fourth proportional to 55,370.64, 76,378.48 and 34,134.08 is: 47,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,370.64 : 76,378.48 = 34,134.08 : x
  2. Step 2: Convert to fraction form
    55,370.64/76,378.48 = 34,134.08/x
  3. Step 3: Cross multiply
    55,370.64x = 76,378.48 × 34,134.08
  4. Step 4: Simplify right side
    55,370.64x = 2,607,109,146.60
  5. Step 5: Solve for x
    x = 2,607,109,146.60/55,370.64
  6. Step 6: Final answer
    x = 47,084.69

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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.