Home / 62,446.08-86,130.48-39,762.72

Finding the Fourth Proportional to 62,446.08, 86,130.48 and 39,762.72

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Solution

The fourth proportional to 62,446.08, 86,130.48 and 39,762.72 is: 54,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,446.08 : 86,130.48 = 39,762.72 : x
  2. Step 2: Convert to fraction form
    62,446.08/86,130.48 = 39,762.72/x
  3. Step 3: Cross multiply
    62,446.08x = 86,130.48 × 39,762.72
  4. Step 4: Simplify right side
    62,446.08x = 3,424,782,159.71
  5. Step 5: Solve for x
    x = 3,424,782,159.71/62,446.08
  6. Step 6: Final answer
    x = 54,843.83

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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.