Home / 124,554.11-171,883.68-70,839.05

Finding the Fourth Proportional to 124,554.11, 171,883.68 and 70,839.05

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Solution

The fourth proportional to 124,554.11, 171,883.68 and 70,839.05 is: 97,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,554.11 : 171,883.68 = 70,839.05 : x
  2. Step 2: Convert to fraction form
    124,554.11/171,883.68 = 70,839.05/x
  3. Step 3: Cross multiply
    124,554.11x = 171,883.68 × 70,839.05
  4. Step 4: Simplify right side
    124,554.11x = 12,176,076,601.70
  5. Step 5: Solve for x
    x = 12,176,076,601.70/124,554.11
  6. Step 6: Final answer
    x = 97,757.32

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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.