Home / 109,333.91-150,880.80-61,587.26

Finding the Fourth Proportional to 109,333.91, 150,880.80 and 61,587.26

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Solution

The fourth proportional to 109,333.91, 150,880.80 and 61,587.26 is: 84,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,333.91 : 150,880.80 = 61,587.26 : x
  2. Step 2: Convert to fraction form
    109,333.91/150,880.80 = 61,587.26/x
  3. Step 3: Cross multiply
    109,333.91x = 150,880.80 × 61,587.26
  4. Step 4: Simplify right side
    109,333.91x = 9,292,335,058.61
  5. Step 5: Solve for x
    x = 9,292,335,058.61/109,333.91
  6. Step 6: Final answer
    x = 84,990.42

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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.