Home / 106,426.55-146,869.65-58,681.60

Finding the Fourth Proportional to 106,426.55, 146,869.65 and 58,681.60

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Solution

The fourth proportional to 106,426.55, 146,869.65 and 58,681.60 is: 80,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.55 : 146,869.65 = 58,681.60 : x
  2. Step 2: Convert to fraction form
    106,426.55/146,869.65 = 58,681.60/x
  3. Step 3: Cross multiply
    106,426.55x = 146,869.65 × 58,681.60
  4. Step 4: Simplify right side
    106,426.55x = 8,618,545,686.27
  5. Step 5: Solve for x
    x = 8,618,545,686.27/106,426.55
  6. Step 6: Final answer
    x = 80,981.16

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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.