Home / 81,746.82-112,795.74-61,597.26

Finding the Fourth Proportional to 81,746.82, 112,795.74 and 61,597.26

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Solution

The fourth proportional to 81,746.82, 112,795.74 and 61,597.26 is: 84,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,746.82 : 112,795.74 = 61,597.26 : x
  2. Step 2: Convert to fraction form
    81,746.82/112,795.74 = 61,597.26/x
  3. Step 3: Cross multiply
    81,746.82x = 112,795.74 × 61,597.26
  4. Step 4: Simplify right side
    81,746.82x = 6,947,908,523.67
  5. Step 5: Solve for x
    x = 6,947,908,523.67/81,746.82
  6. Step 6: Final answer
    x = 84,993.01

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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.