Home / 58,809.12-81,156.48-33,658.56

Finding the Fourth Proportional to 58,809.12, 81,156.48 and 33,658.56

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Solution

The fourth proportional to 58,809.12, 81,156.48 and 33,658.56 is: 46,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,809.12 : 81,156.48 = 33,658.56 : x
  2. Step 2: Convert to fraction form
    58,809.12/81,156.48 = 33,658.56/x
  3. Step 3: Cross multiply
    58,809.12x = 81,156.48 × 33,658.56
  4. Step 4: Simplify right side
    58,809.12x = 2,731,610,251.47
  5. Step 5: Solve for x
    x = 2,731,610,251.47/58,809.12
  6. Step 6: Final answer
    x = 46,448.75

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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.