Home / 89,555.68-134,369.84-57,570.49

Finding the Fourth Proportional to 89,555.68, 134,369.84 and 57,570.49

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Solution

The fourth proportional to 89,555.68, 134,369.84 and 57,570.49 is: 86,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.68 : 134,369.84 = 57,570.49 : x
  2. Step 2: Convert to fraction form
    89,555.68/134,369.84 = 57,570.49/x
  3. Step 3: Cross multiply
    89,555.68x = 134,369.84 × 57,570.49
  4. Step 4: Simplify right side
    89,555.68x = 7,735,737,530.02
  5. Step 5: Solve for x
    x = 7,735,737,530.02/89,555.68
  6. Step 6: Final answer
    x = 86,379.08

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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.