Home / 52,425.15-72,415.95-38,840.79

Finding the Fourth Proportional to 52,425.15, 72,415.95 and 38,840.79

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Solution

The fourth proportional to 52,425.15, 72,415.95 and 38,840.79 is: 53,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,425.15 : 72,415.95 = 38,840.79 : x
  2. Step 2: Convert to fraction form
    52,425.15/72,415.95 = 38,840.79/x
  3. Step 3: Cross multiply
    52,425.15x = 72,415.95 × 38,840.79
  4. Step 4: Simplify right side
    52,425.15x = 2,812,692,706.60
  5. Step 5: Solve for x
    x = 2,812,692,706.60/52,425.15
  6. Step 6: Final answer
    x = 53,651.59

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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.