Home / 77,025.21-106,294.80-43,033.60

Finding the Fourth Proportional to 77,025.21, 106,294.80 and 43,033.60

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Solution

The fourth proportional to 77,025.21, 106,294.80 and 43,033.60 is: 59,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,025.21 : 106,294.80 = 43,033.60 : x
  2. Step 2: Convert to fraction form
    77,025.21/106,294.80 = 43,033.60/x
  3. Step 3: Cross multiply
    77,025.21x = 106,294.80 × 43,033.60
  4. Step 4: Simplify right side
    77,025.21x = 4,574,247,905.28
  5. Step 5: Solve for x
    x = 4,574,247,905.28/77,025.21
  6. Step 6: Final answer
    x = 59,386.37

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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.