Home / 94,860.21-130,905.81-52,419.45

Finding the Fourth Proportional to 94,860.21, 130,905.81 and 52,419.45

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Solution

The fourth proportional to 94,860.21, 130,905.81 and 52,419.45 is: 72,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,860.21 : 130,905.81 = 52,419.45 : x
  2. Step 2: Convert to fraction form
    94,860.21/130,905.81 = 52,419.45/x
  3. Step 3: Cross multiply
    94,860.21x = 130,905.81 × 52,419.45
  4. Step 4: Simplify right side
    94,860.21x = 6,862,010,562.00
  5. Step 5: Solve for x
    x = 6,862,010,562.00/94,860.21
  6. Step 6: Final answer
    x = 72,338.13

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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.