Home / 94,163.47-129,968.01-53,900.50

Finding the Fourth Proportional to 94,163.47, 129,968.01 and 53,900.50

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Solution

The fourth proportional to 94,163.47, 129,968.01 and 53,900.50 is: 74,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,163.47 : 129,968.01 = 53,900.50 : x
  2. Step 2: Convert to fraction form
    94,163.47/129,968.01 = 53,900.50/x
  3. Step 3: Cross multiply
    94,163.47x = 129,968.01 × 53,900.50
  4. Step 4: Simplify right side
    94,163.47x = 7,005,340,723.01
  5. Step 5: Solve for x
    x = 7,005,340,723.01/94,163.47
  6. Step 6: Final answer
    x = 74,395.52

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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.