Home / 89,647.01-134,553.61-45,304.98

Finding the Fourth Proportional to 89,647.01, 134,553.61 and 45,304.98

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Solution

The fourth proportional to 89,647.01, 134,553.61 and 45,304.98 is: 67,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,647.01 : 134,553.61 = 45,304.98 : x
  2. Step 2: Convert to fraction form
    89,647.01/134,553.61 = 45,304.98/x
  3. Step 3: Cross multiply
    89,647.01x = 134,553.61 × 45,304.98
  4. Step 4: Simplify right side
    89,647.01x = 6,095,947,710.68
  5. Step 5: Solve for x
    x = 6,095,947,710.68/89,647.01
  6. Step 6: Final answer
    x = 67,999.45

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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.