Home / 124,107.21-171,274.59-70,409.49

Finding the Fourth Proportional to 124,107.21, 171,274.59 and 70,409.49

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Solution

The fourth proportional to 124,107.21, 171,274.59 and 70,409.49 is: 97,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,107.21 : 171,274.59 = 70,409.49 : x
  2. Step 2: Convert to fraction form
    124,107.21/171,274.59 = 70,409.49/x
  3. Step 3: Cross multiply
    124,107.21x = 171,274.59 × 70,409.49
  4. Step 4: Simplify right side
    124,107.21x = 12,059,356,531.86
  5. Step 5: Solve for x
    x = 12,059,356,531.86/124,107.21
  6. Step 6: Final answer
    x = 97,168.86

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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.