Home / 91,102.79-136,654.16-46,701.23

Finding the Fourth Proportional to 91,102.79, 136,654.16 and 46,701.23

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Solution

The fourth proportional to 91,102.79, 136,654.16 and 46,701.23 is: 70,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,102.79 : 136,654.16 = 46,701.23 : x
  2. Step 2: Convert to fraction form
    91,102.79/136,654.16 = 46,701.23/x
  3. Step 3: Cross multiply
    91,102.79x = 136,654.16 × 46,701.23
  4. Step 4: Simplify right side
    91,102.79x = 6,381,916,439.84
  5. Step 5: Solve for x
    x = 6,381,916,439.84/91,102.79
  6. Step 6: Final answer
    x = 70,051.82

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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.