Home / 52,155.04-71,973.36-28,281.28

Finding the Fourth Proportional to 52,155.04, 71,973.36 and 28,281.28

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Solution

The fourth proportional to 52,155.04, 71,973.36 and 28,281.28 is: 39,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,155.04 : 71,973.36 = 28,281.28 : x
  2. Step 2: Convert to fraction form
    52,155.04/71,973.36 = 28,281.28/x
  3. Step 3: Cross multiply
    52,155.04x = 71,973.36 × 28,281.28
  4. Step 4: Simplify right side
    52,155.04x = 2,035,498,746.70
  5. Step 5: Solve for x
    x = 2,035,498,746.70/52,155.04
  6. Step 6: Final answer
    x = 39,027.84

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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.