Home / 91,011.93-136,579.40-31,848.11

Finding the Fourth Proportional to 91,011.93, 136,579.40 and 31,848.11

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Solution

The fourth proportional to 91,011.93, 136,579.40 and 31,848.11 is: 47,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,011.93 : 136,579.40 = 31,848.11 : x
  2. Step 2: Convert to fraction form
    91,011.93/136,579.40 = 31,848.11/x
  3. Step 3: Cross multiply
    91,011.93x = 136,579.40 × 31,848.11
  4. Step 4: Simplify right side
    91,011.93x = 4,349,795,754.93
  5. Step 5: Solve for x
    x = 4,349,795,754.93/91,011.93
  6. Step 6: Final answer
    x = 47,793.69

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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.