Home / 89,005.39-133,415.81-55,648.86

Finding the Fourth Proportional to 89,005.39, 133,415.81 and 55,648.86

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Solution

The fourth proportional to 89,005.39, 133,415.81 and 55,648.86 is: 83,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,005.39 : 133,415.81 = 55,648.86 : x
  2. Step 2: Convert to fraction form
    89,005.39/133,415.81 = 55,648.86/x
  3. Step 3: Cross multiply
    89,005.39x = 133,415.81 × 55,648.86
  4. Step 4: Simplify right side
    89,005.39x = 7,424,437,732.48
  5. Step 5: Solve for x
    x = 7,424,437,732.48/89,005.39
  6. Step 6: Final answer
    x = 83,415.60

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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.