Home / 62,707.10-86,565.51-39,748.37

Finding the Fourth Proportional to 62,707.10, 86,565.51 and 39,748.37

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Solution

The fourth proportional to 62,707.10, 86,565.51 and 39,748.37 is: 54,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,707.10 : 86,565.51 = 39,748.37 : x
  2. Step 2: Convert to fraction form
    62,707.10/86,565.51 = 39,748.37/x
  3. Step 3: Cross multiply
    62,707.10x = 86,565.51 × 39,748.37
  4. Step 4: Simplify right side
    62,707.10x = 3,440,837,487.89
  5. Step 5: Solve for x
    x = 3,440,837,487.89/62,707.10
  6. Step 6: Final answer
    x = 54,871.58

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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.