Home / 66,528.84-99,740.25-38,416.98

Finding the Fourth Proportional to 66,528.84, 99,740.25 and 38,416.98

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Solution

The fourth proportional to 66,528.84, 99,740.25 and 38,416.98 is: 57,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.84 : 99,740.25 = 38,416.98 : x
  2. Step 2: Convert to fraction form
    66,528.84/99,740.25 = 38,416.98/x
  3. Step 3: Cross multiply
    66,528.84x = 99,740.25 × 38,416.98
  4. Step 4: Simplify right side
    66,528.84x = 3,831,719,189.45
  5. Step 5: Solve for x
    x = 3,831,719,189.45/66,528.84
  6. Step 6: Final answer
    x = 57,594.86

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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.