Home / 125,400.06-173,051.37-68,813.46

Finding the Fourth Proportional to 125,400.06, 173,051.37 and 68,813.46

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Solution

The fourth proportional to 125,400.06, 173,051.37 and 68,813.46 is: 94,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,400.06 : 173,051.37 = 68,813.46 : x
  2. Step 2: Convert to fraction form
    125,400.06/173,051.37 = 68,813.46/x
  3. Step 3: Cross multiply
    125,400.06x = 173,051.37 × 68,813.46
  4. Step 4: Simplify right side
    125,400.06x = 11,908,263,527.44
  5. Step 5: Solve for x
    x = 11,908,263,527.44/125,400.06
  6. Step 6: Final answer
    x = 94,962.18

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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.