Home / 90,326.49-134,940.32-58,477.08

Finding the Fourth Proportional to 90,326.49, 134,940.32 and 58,477.08

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Solution

The fourth proportional to 90,326.49, 134,940.32 and 58,477.08 is: 87,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,326.49 : 134,940.32 = 58,477.08 : x
  2. Step 2: Convert to fraction form
    90,326.49/134,940.32 = 58,477.08/x
  3. Step 3: Cross multiply
    90,326.49x = 134,940.32 × 58,477.08
  4. Step 4: Simplify right side
    90,326.49x = 7,890,915,887.87
  5. Step 5: Solve for x
    x = 7,890,915,887.87/90,326.49
  6. Step 6: Final answer
    x = 87,359.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.