Home / 94,420.86-130,300.78-51,400.52

Finding the Fourth Proportional to 94,420.86, 130,300.78 and 51,400.52

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Solution

The fourth proportional to 94,420.86, 130,300.78 and 51,400.52 is: 70,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,420.86 : 130,300.78 = 51,400.52 : x
  2. Step 2: Convert to fraction form
    94,420.86/130,300.78 = 51,400.52/x
  3. Step 3: Cross multiply
    94,420.86x = 130,300.78 × 51,400.52
  4. Step 4: Simplify right side
    94,420.86x = 6,697,527,848.41
  5. Step 5: Solve for x
    x = 6,697,527,848.41/94,420.86
  6. Step 6: Final answer
    x = 70,932.71

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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.