Home / 66,028.20-98,823.60-60,779.40

Finding the Fourth Proportional to 66,028.20, 98,823.60 and 60,779.40

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Solution

The fourth proportional to 66,028.20, 98,823.60 and 60,779.40 is: 90,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,028.20 : 98,823.60 = 60,779.40 : x
  2. Step 2: Convert to fraction form
    66,028.20/98,823.60 = 60,779.40/x
  3. Step 3: Cross multiply
    66,028.20x = 98,823.60 × 60,779.40
  4. Step 4: Simplify right side
    66,028.20x = 6,006,439,113.84
  5. Step 5: Solve for x
    x = 6,006,439,113.84/66,028.20
  6. Step 6: Final answer
    x = 90,967.79

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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.