Home / 62,457.15-86,166.66-39,792.09

Finding the Fourth Proportional to 62,457.15, 86,166.66 and 39,792.09

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Solution

The fourth proportional to 62,457.15, 86,166.66 and 39,792.09 is: 54,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,457.15 : 86,166.66 = 39,792.09 : x
  2. Step 2: Convert to fraction form
    62,457.15/86,166.66 = 39,792.09/x
  3. Step 3: Cross multiply
    62,457.15x = 86,166.66 × 39,792.09
  4. Step 4: Simplify right side
    62,457.15x = 3,428,751,962.06
  5. Step 5: Solve for x
    x = 3,428,751,962.06/62,457.15
  6. Step 6: Final answer
    x = 54,897.67

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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.