Home / 113,815.08-157,073.51-62,837.64

Finding the Fourth Proportional to 113,815.08, 157,073.51 and 62,837.64

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Solution

The fourth proportional to 113,815.08, 157,073.51 and 62,837.64 is: 86,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815.08 : 157,073.51 = 62,837.64 : x
  2. Step 2: Convert to fraction form
    113,815.08/157,073.51 = 62,837.64/x
  3. Step 3: Cross multiply
    113,815.08x = 157,073.51 × 62,837.64
  4. Step 4: Simplify right side
    113,815.08x = 9,870,128,832.01
  5. Step 5: Solve for x
    x = 9,870,128,832.01/113,815.08
  6. Step 6: Final answer
    x = 86,720.75

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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.