Home / 113,885.15-157,162.68-62,899.16

Finding the Fourth Proportional to 113,885.15, 157,162.68 and 62,899.16

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Solution

The fourth proportional to 113,885.15, 157,162.68 and 62,899.16 is: 86,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885.15 : 157,162.68 = 62,899.16 : x
  2. Step 2: Convert to fraction form
    113,885.15/157,162.68 = 62,899.16/x
  3. Step 3: Cross multiply
    113,885.15x = 157,162.68 × 62,899.16
  4. Step 4: Simplify right side
    113,885.15x = 9,885,399,455.04
  5. Step 5: Solve for x
    x = 9,885,399,455.04/113,885.15
  6. Step 6: Final answer
    x = 86,801.48

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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.