Home / 52,708.61-72,739.62-28,834.74

Finding the Fourth Proportional to 52,708.61, 72,739.62 and 28,834.74

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Solution

The fourth proportional to 52,708.61, 72,739.62 and 28,834.74 is: 39,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.61 : 72,739.62 = 28,834.74 : x
  2. Step 2: Convert to fraction form
    52,708.61/72,739.62 = 28,834.74/x
  3. Step 3: Cross multiply
    52,708.61x = 72,739.62 × 28,834.74
  4. Step 4: Simplify right side
    52,708.61x = 2,097,428,030.40
  5. Step 5: Solve for x
    x = 2,097,428,030.40/52,708.61
  6. Step 6: Final answer
    x = 39,792.89

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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.