Home / 89,386.93-134,037.06-51,957.78

Finding the Fourth Proportional to 89,386.93, 134,037.06 and 51,957.78

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Solution

The fourth proportional to 89,386.93, 134,037.06 and 51,957.78 is: 77,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,386.93 : 134,037.06 = 51,957.78 : x
  2. Step 2: Convert to fraction form
    89,386.93/134,037.06 = 51,957.78/x
  3. Step 3: Cross multiply
    89,386.93x = 134,037.06 × 51,957.78
  4. Step 4: Simplify right side
    89,386.93x = 6,964,268,075.33
  5. Step 5: Solve for x
    x = 6,964,268,075.33/89,386.93
  6. Step 6: Final answer
    x = 77,911.48

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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.