Home / 106,868.16-147,465.24-61,560.96

Finding the Fourth Proportional to 106,868.16, 147,465.24 and 61,560.96

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Solution

The fourth proportional to 106,868.16, 147,465.24 and 61,560.96 is: 84,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,868.16 : 147,465.24 = 61,560.96 : x
  2. Step 2: Convert to fraction form
    106,868.16/147,465.24 = 61,560.96/x
  3. Step 3: Cross multiply
    106,868.16x = 147,465.24 × 61,560.96
  4. Step 4: Simplify right side
    106,868.16x = 9,078,101,741.03
  5. Step 5: Solve for x
    x = 9,078,101,741.03/106,868.16
  6. Step 6: Final answer
    x = 84,946.74

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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.