Home / 89,290.07-123,225.75-59,022.89

Finding the Fourth Proportional to 89,290.07, 123,225.75 and 59,022.89

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Solution

The fourth proportional to 89,290.07, 123,225.75 and 59,022.89 is: 81,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,290.07 : 123,225.75 = 59,022.89 : x
  2. Step 2: Convert to fraction form
    89,290.07/123,225.75 = 59,022.89/x
  3. Step 3: Cross multiply
    89,290.07x = 123,225.75 × 59,022.89
  4. Step 4: Simplify right side
    89,290.07x = 7,273,139,887.42
  5. Step 5: Solve for x
    x = 7,273,139,887.42/89,290.07
  6. Step 6: Final answer
    x = 81,455.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.