Home / 66,207.84-99,312.68-36,683.34

Finding the Fourth Proportional to 66,207.84, 99,312.68 and 36,683.34

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Solution

The fourth proportional to 66,207.84, 99,312.68 and 36,683.34 is: 55,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.84 : 99,312.68 = 36,683.34 : x
  2. Step 2: Convert to fraction form
    66,207.84/99,312.68 = 36,683.34/x
  3. Step 3: Cross multiply
    66,207.84x = 99,312.68 × 36,683.34
  4. Step 4: Simplify right side
    66,207.84x = 3,643,120,806.75
  5. Step 5: Solve for x
    x = 3,643,120,806.75/66,207.84
  6. Step 6: Final answer
    x = 55,025.52

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1.5x scale

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.