Home / 58,908.69-81,267.57-39,782.25

Finding the Fourth Proportional to 58,908.69, 81,267.57 and 39,782.25

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Solution

The fourth proportional to 58,908.69, 81,267.57 and 39,782.25 is: 54,881.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,908.69 : 81,267.57 = 39,782.25 : x
  2. Step 2: Convert to fraction form
    58,908.69/81,267.57 = 39,782.25/x
  3. Step 3: Cross multiply
    58,908.69x = 81,267.57 × 39,782.25
  4. Step 4: Simplify right side
    58,908.69x = 3,233,006,786.63
  5. Step 5: Solve for x
    x = 3,233,006,786.63/58,908.69
  6. Step 6: Final answer
    x = 54,881.66

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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.