Home / 92,971.53-139,466.52-29,775.78

Finding the Fourth Proportional to 92,971.53, 139,466.52 and 29,775.78

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Solution

The fourth proportional to 92,971.53, 139,466.52 and 29,775.78 is: 44,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,971.53 : 139,466.52 = 29,775.78 : x
  2. Step 2: Convert to fraction form
    92,971.53/139,466.52 = 29,775.78/x
  3. Step 3: Cross multiply
    92,971.53x = 139,466.52 × 29,775.78
  4. Step 4: Simplify right side
    92,971.53x = 4,152,724,416.89
  5. Step 5: Solve for x
    x = 4,152,724,416.89/92,971.53
  6. Step 6: Final answer
    x = 44,666.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.