Home / 86,827.77-129,661.67-74,216.07

Finding the Fourth Proportional to 86,827.77, 129,661.67 and 74,216.07

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Solution

The fourth proportional to 86,827.77, 129,661.67 and 74,216.07 is: 110,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827.77 : 129,661.67 = 74,216.07 : x
  2. Step 2: Convert to fraction form
    86,827.77/129,661.67 = 74,216.07/x
  3. Step 3: Cross multiply
    86,827.77x = 129,661.67 × 74,216.07
  4. Step 4: Simplify right side
    86,827.77x = 9,622,979,762.58
  5. Step 5: Solve for x
    x = 9,622,979,762.58/86,827.77
  6. Step 6: Final answer
    x = 110,828.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.