Home / 105,886.03-146,122.94-57,488.01

Finding the Fourth Proportional to 105,886.03, 146,122.94 and 57,488.01

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Solution

The fourth proportional to 105,886.03, 146,122.94 and 57,488.01 is: 79,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,886.03 : 146,122.94 = 57,488.01 : x
  2. Step 2: Convert to fraction form
    105,886.03/146,122.94 = 57,488.01/x
  3. Step 3: Cross multiply
    105,886.03x = 146,122.94 × 57,488.01
  4. Step 4: Simplify right side
    105,886.03x = 8,400,316,748.51
  5. Step 5: Solve for x
    x = 8,400,316,748.51/105,886.03
  6. Step 6: Final answer
    x = 79,333.57

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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.