Home / 57,553.40-79,417.86-42,454.28

Finding the Fourth Proportional to 57,553.40, 79,417.86 and 42,454.28

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Solution

The fourth proportional to 57,553.40, 79,417.86 and 42,454.28 is: 58,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,553.40 : 79,417.86 = 42,454.28 : x
  2. Step 2: Convert to fraction form
    57,553.40/79,417.86 = 42,454.28/x
  3. Step 3: Cross multiply
    57,553.40x = 79,417.86 × 42,454.28
  4. Step 4: Simplify right side
    57,553.40x = 3,371,628,065.44
  5. Step 5: Solve for x
    x = 3,371,628,065.44/57,553.40
  6. Step 6: Final answer
    x = 58,582.60

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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.