Home / 125,577.48-173,307.78-68,999.70

Finding the Fourth Proportional to 125,577.48, 173,307.78 and 68,999.70

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Solution

The fourth proportional to 125,577.48, 173,307.78 and 68,999.70 is: 95,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,577.48 : 173,307.78 = 68,999.70 : x
  2. Step 2: Convert to fraction form
    125,577.48/173,307.78 = 68,999.70/x
  3. Step 3: Cross multiply
    125,577.48x = 173,307.78 × 68,999.70
  4. Step 4: Simplify right side
    125,577.48x = 11,958,184,827.67
  5. Step 5: Solve for x
    x = 11,958,184,827.67/125,577.48
  6. Step 6: Final answer
    x = 95,225.55

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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.