Home / 91,178.24-125,892.63-58,931.93

Finding the Fourth Proportional to 91,178.24, 125,892.63 and 58,931.93

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Solution

The fourth proportional to 91,178.24, 125,892.63 and 58,931.93 is: 81,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,178.24 : 125,892.63 = 58,931.93 : x
  2. Step 2: Convert to fraction form
    91,178.24/125,892.63 = 58,931.93/x
  3. Step 3: Cross multiply
    91,178.24x = 125,892.63 × 58,931.93
  4. Step 4: Simplify right side
    91,178.24x = 7,419,095,973.41
  5. Step 5: Solve for x
    x = 7,419,095,973.41/91,178.24
  6. Step 6: Final answer
    x = 81,369.16

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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.