Home / 97,849.81-135,088.73-64,413.01

Finding the Fourth Proportional to 97,849.81, 135,088.73 and 64,413.01

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Solution

The fourth proportional to 97,849.81, 135,088.73 and 64,413.01 is: 88,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,849.81 : 135,088.73 = 64,413.01 : x
  2. Step 2: Convert to fraction form
    97,849.81/135,088.73 = 64,413.01/x
  3. Step 3: Cross multiply
    97,849.81x = 135,088.73 × 64,413.01
  4. Step 4: Simplify right side
    97,849.81x = 8,701,471,716.38
  5. Step 5: Solve for x
    x = 8,701,471,716.38/97,849.81
  6. Step 6: Final answer
    x = 88,926.81

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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.