Home / 77,055.04-106,344.30-45,228.52

Finding the Fourth Proportional to 77,055.04, 106,344.30 and 45,228.52

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Solution

The fourth proportional to 77,055.04, 106,344.30 and 45,228.52 is: 62,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,055.04 : 106,344.30 = 45,228.52 : x
  2. Step 2: Convert to fraction form
    77,055.04/106,344.30 = 45,228.52/x
  3. Step 3: Cross multiply
    77,055.04x = 106,344.30 × 45,228.52
  4. Step 4: Simplify right side
    77,055.04x = 4,809,795,299.44
  5. Step 5: Solve for x
    x = 4,809,795,299.44/77,055.04
  6. Step 6: Final answer
    x = 62,420.26

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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.