Home / 53,298.89-79,998.56-39,215.98

Finding the Fourth Proportional to 53,298.89, 79,998.56 and 39,215.98

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Solution

The fourth proportional to 53,298.89, 79,998.56 and 39,215.98 is: 58,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298.89 : 79,998.56 = 39,215.98 : x
  2. Step 2: Convert to fraction form
    53,298.89/79,998.56 = 39,215.98/x
  3. Step 3: Cross multiply
    53,298.89x = 79,998.56 × 39,215.98
  4. Step 4: Simplify right side
    53,298.89x = 3,137,221,529.00
  5. Step 5: Solve for x
    x = 3,137,221,529.00/53,298.89
  6. Step 6: Final answer
    x = 58,860.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.