Home / 94,421.46-130,323.78-54,134.49

Finding the Fourth Proportional to 94,421.46, 130,323.78 and 54,134.49

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Solution

The fourth proportional to 94,421.46, 130,323.78 and 54,134.49 is: 74,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,421.46 : 130,323.78 = 54,134.49 : x
  2. Step 2: Convert to fraction form
    94,421.46/130,323.78 = 54,134.49/x
  3. Step 3: Cross multiply
    94,421.46x = 130,323.78 × 54,134.49
  4. Step 4: Simplify right side
    94,421.46x = 7,055,011,365.17
  5. Step 5: Solve for x
    x = 7,055,011,365.17/94,421.46
  6. Step 6: Final answer
    x = 74,718.30

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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.