Home / 52,746.09-72,786.81-28,868.16

Finding the Fourth Proportional to 52,746.09, 72,786.81 and 28,868.16

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Solution

The fourth proportional to 52,746.09, 72,786.81 and 28,868.16 is: 39,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.09 : 72,786.81 = 28,868.16 : x
  2. Step 2: Convert to fraction form
    52,746.09/72,786.81 = 28,868.16/x
  3. Step 3: Cross multiply
    52,746.09x = 72,786.81 × 28,868.16
  4. Step 4: Simplify right side
    52,746.09x = 2,101,221,276.97
  5. Step 5: Solve for x
    x = 2,101,221,276.97/52,746.09
  6. Step 6: Final answer
    x = 39,836.53

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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.