Home / 89,703.15-134,294.05-52,148.71

Finding the Fourth Proportional to 89,703.15, 134,294.05 and 52,148.71

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Solution

The fourth proportional to 89,703.15, 134,294.05 and 52,148.71 is: 78,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,703.15 : 134,294.05 = 52,148.71 : x
  2. Step 2: Convert to fraction form
    89,703.15/134,294.05 = 52,148.71/x
  3. Step 3: Cross multiply
    89,703.15x = 134,294.05 × 52,148.71
  4. Step 4: Simplify right side
    89,703.15x = 7,003,261,701.23
  5. Step 5: Solve for x
    x = 7,003,261,701.23/89,703.15
  6. Step 6: Final answer
    x = 78,071.53

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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.