Home / 97,828.02-134,989.65-55,385.46

Finding the Fourth Proportional to 97,828.02, 134,989.65 and 55,385.46

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Solution

The fourth proportional to 97,828.02, 134,989.65 and 55,385.46 is: 76,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,828.02 : 134,989.65 = 55,385.46 : x
  2. Step 2: Convert to fraction form
    97,828.02/134,989.65 = 55,385.46/x
  3. Step 3: Cross multiply
    97,828.02x = 134,989.65 × 55,385.46
  4. Step 4: Simplify right side
    97,828.02x = 7,476,463,860.49
  5. Step 5: Solve for x
    x = 7,476,463,860.49/97,828.02
  6. Step 6: Final answer
    x = 76,424.56

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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.