Home / 97,568.88-134,657.40-55,126.50

Finding the Fourth Proportional to 97,568.88, 134,657.40 and 55,126.50

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Solution

The fourth proportional to 97,568.88, 134,657.40 and 55,126.50 is: 76,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,568.88 : 134,657.40 = 55,126.50 : x
  2. Step 2: Convert to fraction form
    97,568.88/134,657.40 = 55,126.50/x
  3. Step 3: Cross multiply
    97,568.88x = 134,657.40 × 55,126.50
  4. Step 4: Simplify right side
    97,568.88x = 7,423,191,161.10
  5. Step 5: Solve for x
    x = 7,423,191,161.10/97,568.88
  6. Step 6: Final answer
    x = 76,081.55

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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.