Home / 52,828.06-72,904.55-28,954.53

Finding the Fourth Proportional to 52,828.06, 72,904.55 and 28,954.53

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Solution

The fourth proportional to 52,828.06, 72,904.55 and 28,954.53 is: 39,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,828.06 : 72,904.55 = 28,954.53 : x
  2. Step 2: Convert to fraction form
    52,828.06/72,904.55 = 28,954.53/x
  3. Step 3: Cross multiply
    52,828.06x = 72,904.55 × 28,954.53
  4. Step 4: Simplify right side
    52,828.06x = 2,110,916,980.11
  5. Step 5: Solve for x
    x = 2,110,916,980.11/52,828.06
  6. Step 6: Final answer
    x = 39,958.25

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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.