Home / 89,305.74-133,989.12-55,985.58

Finding the Fourth Proportional to 89,305.74, 133,989.12 and 55,985.58

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Solution

The fourth proportional to 89,305.74, 133,989.12 and 55,985.58 is: 83,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,305.74 : 133,989.12 = 55,985.58 : x
  2. Step 2: Convert to fraction form
    89,305.74/133,989.12 = 55,985.58/x
  3. Step 3: Cross multiply
    89,305.74x = 133,989.12 × 55,985.58
  4. Step 4: Simplify right side
    89,305.74x = 7,501,458,596.89
  5. Step 5: Solve for x
    x = 7,501,458,596.89/89,305.74
  6. Step 6: Final answer
    x = 83,997.50

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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.