Home / 99,709.55-149,592.59-40,587.65

Finding the Fourth Proportional to 99,709.55, 149,592.59 and 40,587.65

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Solution

The fourth proportional to 99,709.55, 149,592.59 and 40,587.65 is: 60,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,709.55 : 149,592.59 = 40,587.65 : x
  2. Step 2: Convert to fraction form
    99,709.55/149,592.59 = 40,587.65/x
  3. Step 3: Cross multiply
    99,709.55x = 149,592.59 × 40,587.65
  4. Step 4: Simplify right side
    99,709.55x = 6,071,611,685.51
  5. Step 5: Solve for x
    x = 6,071,611,685.51/99,709.55
  6. Step 6: Final answer
    x = 60,892.98

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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.