Home / 89,854.54-124,039.12-58,038.95

Finding the Fourth Proportional to 89,854.54, 124,039.12 and 58,038.95

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Solution

The fourth proportional to 89,854.54, 124,039.12 and 58,038.95 is: 80,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.54 : 124,039.12 = 58,038.95 : x
  2. Step 2: Convert to fraction form
    89,854.54/124,039.12 = 58,038.95/x
  3. Step 3: Cross multiply
    89,854.54x = 124,039.12 × 58,038.95
  4. Step 4: Simplify right side
    89,854.54x = 7,199,100,448.72
  5. Step 5: Solve for x
    x = 7,199,100,448.72/89,854.54
  6. Step 6: Final answer
    x = 80,119.50

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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.