Home / 97,828.90-135,004.38-55,395.70

Finding the Fourth Proportional to 97,828.90, 135,004.38 and 55,395.70

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Solution

The fourth proportional to 97,828.90, 135,004.38 and 55,395.70 is: 76,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,828.90 : 135,004.38 = 55,395.70 : x
  2. Step 2: Convert to fraction form
    97,828.90/135,004.38 = 55,395.70/x
  3. Step 3: Cross multiply
    97,828.90x = 135,004.38 × 55,395.70
  4. Step 4: Simplify right side
    97,828.90x = 7,478,662,133.17
  5. Step 5: Solve for x
    x = 7,478,662,133.17/97,828.90
  6. Step 6: Final answer
    x = 76,446.35

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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.