Home / 52,955.20-73,078.44-28,756.24

Finding the Fourth Proportional to 52,955.20, 73,078.44 and 28,756.24

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Solution

The fourth proportional to 52,955.20, 73,078.44 and 28,756.24 is: 39,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,955.20 : 73,078.44 = 28,756.24 : x
  2. Step 2: Convert to fraction form
    52,955.20/73,078.44 = 28,756.24/x
  3. Step 3: Cross multiply
    52,955.20x = 73,078.44 × 28,756.24
  4. Step 4: Simplify right side
    52,955.20x = 2,101,461,159.47
  5. Step 5: Solve for x
    x = 2,101,461,159.47/52,955.20
  6. Step 6: Final answer
    x = 39,683.75

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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.