Home / 50,802.39-70,107.59-28,140.89

Finding the Fourth Proportional to 50,802.39, 70,107.59 and 28,140.89

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Solution

The fourth proportional to 50,802.39, 70,107.59 and 28,140.89 is: 38,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,802.39 : 70,107.59 = 28,140.89 : x
  2. Step 2: Convert to fraction form
    50,802.39/70,107.59 = 28,140.89/x
  3. Step 3: Cross multiply
    50,802.39x = 70,107.59 × 28,140.89
  4. Step 4: Simplify right side
    50,802.39x = 1,972,889,698.17
  5. Step 5: Solve for x
    x = 1,972,889,698.17/50,802.39
  6. Step 6: Final answer
    x = 38,834.58

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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.