Home / 113,885.65-157,163.37-62,899.66

Finding the Fourth Proportional to 113,885.65, 157,163.37 and 62,899.66

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Solution

The fourth proportional to 113,885.65, 157,163.37 and 62,899.66 is: 86,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885.65 : 157,163.37 = 62,899.66 : x
  2. Step 2: Convert to fraction form
    113,885.65/157,163.37 = 62,899.66/x
  3. Step 3: Cross multiply
    113,885.65x = 157,163.37 × 62,899.66
  4. Step 4: Simplify right side
    113,885.65x = 9,885,522,537.45
  5. Step 5: Solve for x
    x = 9,885,522,537.45/113,885.65
  6. Step 6: Final answer
    x = 86,802.18

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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.