Home / 50,779.28-70,068.84-29,555.12

Finding the Fourth Proportional to 50,779.28, 70,068.84 and 29,555.12

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Solution

The fourth proportional to 50,779.28, 70,068.84 and 29,555.12 is: 40,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,779.28 : 70,068.84 = 29,555.12 : x
  2. Step 2: Convert to fraction form
    50,779.28/70,068.84 = 29,555.12/x
  3. Step 3: Cross multiply
    50,779.28x = 70,068.84 × 29,555.12
  4. Step 4: Simplify right side
    50,779.28x = 2,070,892,974.46
  5. Step 5: Solve for x
    x = 2,070,892,974.46/50,779.28
  6. Step 6: Final answer
    x = 40,782.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.