Home / 106,017.93-146,302.29-57,618.72

Finding the Fourth Proportional to 106,017.93, 146,302.29 and 57,618.72

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Solution

The fourth proportional to 106,017.93, 146,302.29 and 57,618.72 is: 79,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,017.93 : 146,302.29 = 57,618.72 : x
  2. Step 2: Convert to fraction form
    106,017.93/146,302.29 = 57,618.72/x
  3. Step 3: Cross multiply
    106,017.93x = 146,302.29 × 57,618.72
  4. Step 4: Simplify right side
    106,017.93x = 8,429,750,682.87
  5. Step 5: Solve for x
    x = 8,429,750,682.87/106,017.93
  6. Step 6: Final answer
    x = 79,512.50

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1.5x scale

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.