Home / 52,683.16-72,698.97-28,804.78

Finding the Fourth Proportional to 52,683.16, 72,698.97 and 28,804.78

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Solution

The fourth proportional to 52,683.16, 72,698.97 and 28,804.78 is: 39,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,683.16 : 72,698.97 = 28,804.78 : x
  2. Step 2: Convert to fraction form
    52,683.16/72,698.97 = 28,804.78/x
  3. Step 3: Cross multiply
    52,683.16x = 72,698.97 × 28,804.78
  4. Step 4: Simplify right side
    52,683.16x = 2,094,077,837.08
  5. Step 5: Solve for x
    x = 2,094,077,837.08/52,683.16
  6. Step 6: Final answer
    x = 39,748.52

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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.