Home / 77,570.61-116,349.41-30,810.93

Finding the Fourth Proportional to 77,570.61, 116,349.41 and 30,810.93

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Solution

The fourth proportional to 77,570.61, 116,349.41 and 30,810.93 is: 46,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.61 : 116,349.41 = 30,810.93 : x
  2. Step 2: Convert to fraction form
    77,570.61/116,349.41 = 30,810.93/x
  3. Step 3: Cross multiply
    77,570.61x = 116,349.41 × 30,810.93
  4. Step 4: Simplify right side
    77,570.61x = 3,584,833,527.05
  5. Step 5: Solve for x
    x = 3,584,833,527.05/77,570.61
  6. Step 6: Final answer
    x = 46,213.81

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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.