Home / 76,030.40-114,012.98-26,115.52

Finding the Fourth Proportional to 76,030.40, 114,012.98 and 26,115.52

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Solution

The fourth proportional to 76,030.40, 114,012.98 and 26,115.52 is: 39,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.40 : 114,012.98 = 26,115.52 : x
  2. Step 2: Convert to fraction form
    76,030.40/114,012.98 = 26,115.52/x
  3. Step 3: Cross multiply
    76,030.40x = 114,012.98 × 26,115.52
  4. Step 4: Simplify right side
    76,030.40x = 2,977,508,259.45
  5. Step 5: Solve for x
    x = 2,977,508,259.45/76,030.40
  6. Step 6: Final answer
    x = 39,162.08

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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.