Home / 97,049.18-133,920.59-54,599.51

Finding the Fourth Proportional to 97,049.18, 133,920.59 and 54,599.51

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Solution

The fourth proportional to 97,049.18, 133,920.59 and 54,599.51 is: 75,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,049.18 : 133,920.59 = 54,599.51 : x
  2. Step 2: Convert to fraction form
    97,049.18/133,920.59 = 54,599.51/x
  3. Step 3: Cross multiply
    97,049.18x = 133,920.59 × 54,599.51
  4. Step 4: Simplify right side
    97,049.18x = 7,311,997,650.31
  5. Step 5: Solve for x
    x = 7,311,997,650.31/97,049.18
  6. Step 6: Final answer
    x = 75,343.22

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1.5x scale

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.