Home / 52,792.70-72,853.94-28,920.23

Finding the Fourth Proportional to 52,792.70, 72,853.94 and 28,920.23

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Solution

The fourth proportional to 52,792.70, 72,853.94 and 28,920.23 is: 39,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,792.70 : 72,853.94 = 28,920.23 : x
  2. Step 2: Convert to fraction form
    52,792.70/72,853.94 = 28,920.23/x
  3. Step 3: Cross multiply
    52,792.70x = 72,853.94 × 28,920.23
  4. Step 4: Simplify right side
    52,792.70x = 2,106,952,701.21
  5. Step 5: Solve for x
    x = 2,106,952,701.21/52,792.70
  6. Step 6: Final answer
    x = 39,909.93

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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.