Home / 43,148.01-64,729.40-19,776.45

Finding the Fourth Proportional to 43,148.01, 64,729.40 and 19,776.45

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Solution

The fourth proportional to 43,148.01, 64,729.40 and 19,776.45 is: 29,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.01 : 64,729.40 = 19,776.45 : x
  2. Step 2: Convert to fraction form
    43,148.01/64,729.40 = 19,776.45/x
  3. Step 3: Cross multiply
    43,148.01x = 64,729.40 × 19,776.45
  4. Step 4: Simplify right side
    43,148.01x = 1,280,117,643.75
  5. Step 5: Solve for x
    x = 1,280,117,643.75/43,148.01
  6. Step 6: Final answer
    x = 29,668.06

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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.