Home / 85,071.51-127,626.32-25,911.81

Finding the Fourth Proportional to 85,071.51, 127,626.32 and 25,911.81

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Solution

The fourth proportional to 85,071.51, 127,626.32 and 25,911.81 is: 38,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.51 : 127,626.32 = 25,911.81 : x
  2. Step 2: Convert to fraction form
    85,071.51/127,626.32 = 25,911.81/x
  3. Step 3: Cross multiply
    85,071.51x = 127,626.32 × 25,911.81
  4. Step 4: Simplify right side
    85,071.51x = 3,307,028,825.28
  5. Step 5: Solve for x
    x = 3,307,028,825.28/85,071.51
  6. Step 6: Final answer
    x = 38,873.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.