Home / 53,412.63-73,706.43-29,208.79

Finding the Fourth Proportional to 53,412.63, 73,706.43 and 29,208.79

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Solution

The fourth proportional to 53,412.63, 73,706.43 and 29,208.79 is: 40,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.63 : 73,706.43 = 29,208.79 : x
  2. Step 2: Convert to fraction form
    53,412.63/73,706.43 = 29,208.79/x
  3. Step 3: Cross multiply
    53,412.63x = 73,706.43 × 29,208.79
  4. Step 4: Simplify right side
    53,412.63x = 2,152,875,635.52
  5. Step 5: Solve for x
    x = 2,152,875,635.52/53,412.63
  6. Step 6: Final answer
    x = 40,306.49

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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.