Home / 86,721.36-119,675.08-46,977.36

Finding the Fourth Proportional to 86,721.36, 119,675.08 and 46,977.36

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Solution

The fourth proportional to 86,721.36, 119,675.08 and 46,977.36 is: 64,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,721.36 : 119,675.08 = 46,977.36 : x
  2. Step 2: Convert to fraction form
    86,721.36/119,675.08 = 46,977.36/x
  3. Step 3: Cross multiply
    86,721.36x = 119,675.08 × 46,977.36
  4. Step 4: Simplify right side
    86,721.36x = 5,622,019,316.19
  5. Step 5: Solve for x
    x = 5,622,019,316.19/86,721.36
  6. Step 6: Final answer
    x = 64,828.54

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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.