Home / 125,941.08-173,781-69,356.16

Finding the Fourth Proportional to 125,941.08, 173,781 and 69,356.16

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Solution

The fourth proportional to 125,941.08, 173,781 and 69,356.16 is: 95,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,941.08 : 173,781 = 69,356.16 : x
  2. Step 2: Convert to fraction form
    125,941.08/173,781 = 69,356.16/x
  3. Step 3: Cross multiply
    125,941.08x = 173,781 × 69,356.16
  4. Step 4: Simplify right side
    125,941.08x = 12,052,782,840.96
  5. Step 5: Solve for x
    x = 12,052,782,840.96/125,941.08
  6. Step 6: Final answer
    x = 95,701.76

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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.