Home / 124,078.94-171,259.35-70,395.38

Finding the Fourth Proportional to 124,078.94, 171,259.35 and 70,395.38

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Solution

The fourth proportional to 124,078.94, 171,259.35 and 70,395.38 is: 97,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,078.94 : 171,259.35 = 70,395.38 : x
  2. Step 2: Convert to fraction form
    124,078.94/171,259.35 = 70,395.38/x
  3. Step 3: Cross multiply
    124,078.94x = 171,259.35 × 70,395.38
  4. Step 4: Simplify right side
    124,078.94x = 12,055,865,813.53
  5. Step 5: Solve for x
    x = 12,055,865,813.53/124,078.94
  6. Step 6: Final answer
    x = 97,162.87

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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.