Home / 70,526.08-105,791.64-23,779.36

Finding the Fourth Proportional to 70,526.08, 105,791.64 and 23,779.36

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Solution

The fourth proportional to 70,526.08, 105,791.64 and 23,779.36 is: 35,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526.08 : 105,791.64 = 23,779.36 : x
  2. Step 2: Convert to fraction form
    70,526.08/105,791.64 = 23,779.36/x
  3. Step 3: Cross multiply
    70,526.08x = 105,791.64 × 23,779.36
  4. Step 4: Simplify right side
    70,526.08x = 2,515,657,492.55
  5. Step 5: Solve for x
    x = 2,515,657,492.55/70,526.08
  6. Step 6: Final answer
    x = 35,669.89

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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.