Home / 66,740.79-100,056.35-31,184.53

Finding the Fourth Proportional to 66,740.79, 100,056.35 and 31,184.53

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Solution

The fourth proportional to 66,740.79, 100,056.35 and 31,184.53 is: 46,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.79 : 100,056.35 = 31,184.53 : x
  2. Step 2: Convert to fraction form
    66,740.79/100,056.35 = 31,184.53/x
  3. Step 3: Cross multiply
    66,740.79x = 100,056.35 × 31,184.53
  4. Step 4: Simplify right side
    66,740.79x = 3,120,209,900.67
  5. Step 5: Solve for x
    x = 3,120,209,900.67/66,740.79
  6. Step 6: Final answer
    x = 46,751.17

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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.