Home / 106,788.36-147,364.02-61,473.36

Finding the Fourth Proportional to 106,788.36, 147,364.02 and 61,473.36

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Solution

The fourth proportional to 106,788.36, 147,364.02 and 61,473.36 is: 84,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.36 : 147,364.02 = 61,473.36 : x
  2. Step 2: Convert to fraction form
    106,788.36/147,364.02 = 61,473.36/x
  3. Step 3: Cross multiply
    106,788.36x = 147,364.02 × 61,473.36
  4. Step 4: Simplify right side
    106,788.36x = 9,058,961,452.51
  5. Step 5: Solve for x
    x = 9,058,961,452.51/106,788.36
  6. Step 6: Final answer
    x = 84,830.98

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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.