Home / 76,654.16-105,692.24-52,466.78

Finding the Fourth Proportional to 76,654.16, 105,692.24 and 52,466.78

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Solution

The fourth proportional to 76,654.16, 105,692.24 and 52,466.78 is: 72,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,654.16 : 105,692.24 = 52,466.78 : x
  2. Step 2: Convert to fraction form
    76,654.16/105,692.24 = 52,466.78/x
  3. Step 3: Cross multiply
    76,654.16x = 105,692.24 × 52,466.78
  4. Step 4: Simplify right side
    76,654.16x = 5,545,331,503.79
  5. Step 5: Solve for x
    x = 5,545,331,503.79/76,654.16
  6. Step 6: Final answer
    x = 72,342.21

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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.