Home / 124,133.61-186,054.57-57,432.81

Finding the Fourth Proportional to 124,133.61, 186,054.57 and 57,432.81

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Solution

The fourth proportional to 124,133.61, 186,054.57 and 57,432.81 is: 86,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,133.61 : 186,054.57 = 57,432.81 : x
  2. Step 2: Convert to fraction form
    124,133.61/186,054.57 = 57,432.81/x
  3. Step 3: Cross multiply
    124,133.61x = 186,054.57 × 57,432.81
  4. Step 4: Simplify right side
    124,133.61x = 10,685,636,768.44
  5. Step 5: Solve for x
    x = 10,685,636,768.44/124,133.61
  6. Step 6: Final answer
    x = 86,081.74

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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.