Home / 52,493.09-72,440.08-28,620.77

Finding the Fourth Proportional to 52,493.09, 72,440.08 and 28,620.77

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Solution

The fourth proportional to 52,493.09, 72,440.08 and 28,620.77 is: 39,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,493.09 : 72,440.08 = 28,620.77 : x
  2. Step 2: Convert to fraction form
    52,493.09/72,440.08 = 28,620.77/x
  3. Step 3: Cross multiply
    52,493.09x = 72,440.08 × 28,620.77
  4. Step 4: Simplify right side
    52,493.09x = 2,073,290,434.71
  5. Step 5: Solve for x
    x = 2,073,290,434.71/52,493.09
  6. Step 6: Final answer
    x = 39,496.45

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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.