Home / 97,298.88-145,503.60-70,734.12

Finding the Fourth Proportional to 97,298.88, 145,503.60 and 70,734.12

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Solution

The fourth proportional to 97,298.88, 145,503.60 and 70,734.12 is: 105,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,298.88 : 145,503.60 = 70,734.12 : x
  2. Step 2: Convert to fraction form
    97,298.88/145,503.60 = 70,734.12/x
  3. Step 3: Cross multiply
    97,298.88x = 145,503.60 × 70,734.12
  4. Step 4: Simplify right side
    97,298.88x = 10,292,069,102.83
  5. Step 5: Solve for x
    x = 10,292,069,102.83/97,298.88
  6. Step 6: Final answer
    x = 105,777.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.