Home / 104,684.78-144,466.83-56,938.45

Finding the Fourth Proportional to 104,684.78, 144,466.83 and 56,938.45

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Solution

The fourth proportional to 104,684.78, 144,466.83 and 56,938.45 is: 78,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,684.78 : 144,466.83 = 56,938.45 : x
  2. Step 2: Convert to fraction form
    104,684.78/144,466.83 = 56,938.45/x
  3. Step 3: Cross multiply
    104,684.78x = 144,466.83 × 56,938.45
  4. Step 4: Simplify right side
    104,684.78x = 8,225,717,376.61
  5. Step 5: Solve for x
    x = 8,225,717,376.61/104,684.78
  6. Step 6: Final answer
    x = 78,576.06

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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.