Home / 124,542.15-171,871.97-70,834.90

Finding the Fourth Proportional to 124,542.15, 171,871.97 and 70,834.90

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Solution

The fourth proportional to 124,542.15, 171,871.97 and 70,834.90 is: 97,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,542.15 : 171,871.97 = 70,834.90 : x
  2. Step 2: Convert to fraction form
    124,542.15/171,871.97 = 70,834.90/x
  3. Step 3: Cross multiply
    124,542.15x = 171,871.97 × 70,834.90
  4. Step 4: Simplify right side
    124,542.15x = 12,174,533,807.75
  5. Step 5: Solve for x
    x = 12,174,533,807.75/124,542.15
  6. Step 6: Final answer
    x = 97,754.33

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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.