Home / 71,779.26-99,033.08-40,729.41

Finding the Fourth Proportional to 71,779.26, 99,033.08 and 40,729.41

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Solution

The fourth proportional to 71,779.26, 99,033.08 and 40,729.41 is: 56,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,779.26 : 99,033.08 = 40,729.41 : x
  2. Step 2: Convert to fraction form
    71,779.26/99,033.08 = 40,729.41/x
  3. Step 3: Cross multiply
    71,779.26x = 99,033.08 × 40,729.41
  4. Step 4: Simplify right side
    71,779.26x = 4,033,559,020.71
  5. Step 5: Solve for x
    x = 4,033,559,020.71/71,779.26
  6. Step 6: Final answer
    x = 56,193.93

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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.