Home / 97,348.21-134,401.34-74,643.58

Finding the Fourth Proportional to 97,348.21, 134,401.34 and 74,643.58

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Solution

The fourth proportional to 97,348.21, 134,401.34 and 74,643.58 is: 103,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,348.21 : 134,401.34 = 74,643.58 : x
  2. Step 2: Convert to fraction form
    97,348.21/134,401.34 = 74,643.58/x
  3. Step 3: Cross multiply
    97,348.21x = 134,401.34 × 74,643.58
  4. Step 4: Simplify right side
    97,348.21x = 10,032,197,529.01
  5. Step 5: Solve for x
    x = 10,032,197,529.01/97,348.21
  6. Step 6: Final answer
    x = 103,054.77

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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.