Home / 123,799.95-185,670-57,176.01

Finding the Fourth Proportional to 123,799.95, 185,670 and 57,176.01

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Solution

The fourth proportional to 123,799.95, 185,670 and 57,176.01 is: 85,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,799.95 : 185,670 = 57,176.01 : x
  2. Step 2: Convert to fraction form
    123,799.95/185,670 = 57,176.01/x
  3. Step 3: Cross multiply
    123,799.95x = 185,670 × 57,176.01
  4. Step 4: Simplify right side
    123,799.95x = 10,615,869,776.70
  5. Step 5: Solve for x
    x = 10,615,869,776.70/123,799.95
  6. Step 6: Final answer
    x = 85,750.19

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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.