Home / 53,779.58-80,558.40-31,525.38

Finding the Fourth Proportional to 53,779.58, 80,558.40 and 31,525.38

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Solution

The fourth proportional to 53,779.58, 80,558.40 and 31,525.38 is: 47,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.58 : 80,558.40 = 31,525.38 : x
  2. Step 2: Convert to fraction form
    53,779.58/80,558.40 = 31,525.38/x
  3. Step 3: Cross multiply
    53,779.58x = 80,558.40 × 31,525.38
  4. Step 4: Simplify right side
    53,779.58x = 2,539,634,172.19
  5. Step 5: Solve for x
    x = 2,539,634,172.19/53,779.58
  6. Step 6: Final answer
    x = 47,223.02

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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.