Home / 53,677.48-74,144.64-40,852.75

Finding the Fourth Proportional to 53,677.48, 74,144.64 and 40,852.75

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Solution

The fourth proportional to 53,677.48, 74,144.64 and 40,852.75 is: 56,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.48 : 74,144.64 = 40,852.75 : x
  2. Step 2: Convert to fraction form
    53,677.48/74,144.64 = 40,852.75/x
  3. Step 3: Cross multiply
    53,677.48x = 74,144.64 × 40,852.75
  4. Step 4: Simplify right side
    53,677.48x = 3,029,012,441.76
  5. Step 5: Solve for x
    x = 3,029,012,441.76/53,677.48
  6. Step 6: Final answer
    x = 56,429.86

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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.