Home / 53,313.84-79,968.33-17,772.66

Finding the Fourth Proportional to 53,313.84, 79,968.33 and 17,772.66

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Solution

The fourth proportional to 53,313.84, 79,968.33 and 17,772.66 is: 26,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,313.84 : 79,968.33 = 17,772.66 : x
  2. Step 2: Convert to fraction form
    53,313.84/79,968.33 = 17,772.66/x
  3. Step 3: Cross multiply
    53,313.84x = 79,968.33 × 17,772.66
  4. Step 4: Simplify right side
    53,313.84x = 1,421,249,939.86
  5. Step 5: Solve for x
    x = 1,421,249,939.86/53,313.84
  6. Step 6: Final answer
    x = 26,658.18

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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.