Home / 90,328.04-124,653.56-50,042.66

Finding the Fourth Proportional to 90,328.04, 124,653.56 and 50,042.66

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Solution

The fourth proportional to 90,328.04, 124,653.56 and 50,042.66 is: 69,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,328.04 : 124,653.56 = 50,042.66 : x
  2. Step 2: Convert to fraction form
    90,328.04/124,653.56 = 50,042.66/x
  3. Step 3: Cross multiply
    90,328.04x = 124,653.56 × 50,042.66
  4. Step 4: Simplify right side
    90,328.04x = 6,237,995,720.87
  5. Step 5: Solve for x
    x = 6,237,995,720.87/90,328.04
  6. Step 6: Final answer
    x = 69,059.35

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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.