Home / 89,323.41-133,809.95-51,804.69

Finding the Fourth Proportional to 89,323.41, 133,809.95 and 51,804.69

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Solution

The fourth proportional to 89,323.41, 133,809.95 and 51,804.69 is: 77,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,323.41 : 133,809.95 = 51,804.69 : x
  2. Step 2: Convert to fraction form
    89,323.41/133,809.95 = 51,804.69/x
  3. Step 3: Cross multiply
    89,323.41x = 133,809.95 × 51,804.69
  4. Step 4: Simplify right side
    89,323.41x = 6,931,982,439.13
  5. Step 5: Solve for x
    x = 6,931,982,439.13/89,323.41
  6. Step 6: Final answer
    x = 77,605.44

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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.