Home / 124,021.80-171,151.74-70,305.48

Finding the Fourth Proportional to 124,021.80, 171,151.74 and 70,305.48

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Solution

The fourth proportional to 124,021.80, 171,151.74 and 70,305.48 is: 97,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,021.80 : 171,151.74 = 70,305.48 : x
  2. Step 2: Convert to fraction form
    124,021.80/171,151.74 = 70,305.48/x
  3. Step 3: Cross multiply
    124,021.80x = 171,151.74 × 70,305.48
  4. Step 4: Simplify right side
    124,021.80x = 12,032,905,233.54
  5. Step 5: Solve for x
    x = 12,032,905,233.54/124,021.80
  6. Step 6: Final answer
    x = 97,022.50

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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.