Home / 62,638.16-86,440.64-34,343.24

Finding the Fourth Proportional to 62,638.16, 86,440.64 and 34,343.24

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Solution

The fourth proportional to 62,638.16, 86,440.64 and 34,343.24 is: 47,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.16 : 86,440.64 = 34,343.24 : x
  2. Step 2: Convert to fraction form
    62,638.16/86,440.64 = 34,343.24/x
  3. Step 3: Cross multiply
    62,638.16x = 86,440.64 × 34,343.24
  4. Step 4: Simplify right side
    62,638.16x = 2,968,651,645.27
  5. Step 5: Solve for x
    x = 2,968,651,645.27/62,638.16
  6. Step 6: Final answer
    x = 47,393.66

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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.