Home / 89,099.10-133,606.80-51,669.81

Finding the Fourth Proportional to 89,099.10, 133,606.80 and 51,669.81

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Solution

The fourth proportional to 89,099.10, 133,606.80 and 51,669.81 is: 77,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,099.10 : 133,606.80 = 51,669.81 : x
  2. Step 2: Convert to fraction form
    89,099.10/133,606.80 = 51,669.81/x
  3. Step 3: Cross multiply
    89,099.10x = 133,606.80 × 51,669.81
  4. Step 4: Simplify right side
    89,099.10x = 6,903,437,970.71
  5. Step 5: Solve for x
    x = 6,903,437,970.71/89,099.10
  6. Step 6: Final answer
    x = 77,480.45

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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.