Home / 97,784.48-134,919.46-55,343.01

Finding the Fourth Proportional to 97,784.48, 134,919.46 and 55,343.01

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Solution

The fourth proportional to 97,784.48, 134,919.46 and 55,343.01 is: 76,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.48 : 134,919.46 = 55,343.01 : x
  2. Step 2: Convert to fraction form
    97,784.48/134,919.46 = 55,343.01/x
  3. Step 3: Cross multiply
    97,784.48x = 134,919.46 × 55,343.01
  4. Step 4: Simplify right side
    97,784.48x = 7,466,849,391.57
  5. Step 5: Solve for x
    x = 7,466,849,391.57/97,784.48
  6. Step 6: Final answer
    x = 76,360.27

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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.