Home / 89,926.90-124,069.64-64,089.52

Finding the Fourth Proportional to 89,926.90, 124,069.64 and 64,089.52

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Solution

The fourth proportional to 89,926.90, 124,069.64 and 64,089.52 is: 88,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.90 : 124,069.64 = 64,089.52 : x
  2. Step 2: Convert to fraction form
    89,926.90/124,069.64 = 64,089.52/x
  3. Step 3: Cross multiply
    89,926.90x = 124,069.64 × 64,089.52
  4. Step 4: Simplify right side
    89,926.90x = 7,951,563,674.17
  5. Step 5: Solve for x
    x = 7,951,563,674.17/89,926.90
  6. Step 6: Final answer
    x = 88,422.53

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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.