Home / 109,256.92-150,777.48-61,512.08

Finding the Fourth Proportional to 109,256.92, 150,777.48 and 61,512.08

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Solution

The fourth proportional to 109,256.92, 150,777.48 and 61,512.08 is: 84,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256.92 : 150,777.48 = 61,512.08 : x
  2. Step 2: Convert to fraction form
    109,256.92/150,777.48 = 61,512.08/x
  3. Step 3: Cross multiply
    109,256.92x = 150,777.48 × 61,512.08
  4. Step 4: Simplify right side
    109,256.92x = 9,274,636,411.96
  5. Step 5: Solve for x
    x = 9,274,636,411.96/109,256.92
  6. Step 6: Final answer
    x = 84,888.32

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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.