Home / 89,329.42-133,818.94-51,810.67

Finding the Fourth Proportional to 89,329.42, 133,818.94 and 51,810.67

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Solution

The fourth proportional to 89,329.42, 133,818.94 and 51,810.67 is: 77,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,329.42 : 133,818.94 = 51,810.67 : x
  2. Step 2: Convert to fraction form
    89,329.42/133,818.94 = 51,810.67/x
  3. Step 3: Cross multiply
    89,329.42x = 133,818.94 × 51,810.67
  4. Step 4: Simplify right side
    89,329.42x = 6,933,248,476.02
  5. Step 5: Solve for x
    x = 6,933,248,476.02/89,329.42
  6. Step 6: Final answer
    x = 77,614.39

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1.5x scale

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.