Home / 51,707.51-71,348.59-29,042.16

Finding the Fourth Proportional to 51,707.51, 71,348.59 and 29,042.16

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Solution

The fourth proportional to 51,707.51, 71,348.59 and 29,042.16 is: 40,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.51 : 71,348.59 = 29,042.16 : x
  2. Step 2: Convert to fraction form
    51,707.51/71,348.59 = 29,042.16/x
  3. Step 3: Cross multiply
    51,707.51x = 71,348.59 × 29,042.16
  4. Step 4: Simplify right side
    51,707.51x = 2,072,117,166.55
  5. Step 5: Solve for x
    x = 2,072,117,166.55/51,707.51
  6. Step 6: Final answer
    x = 40,073.81

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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.