Home / 55,801.04-83,701.70-13,681.31

Finding the Fourth Proportional to 55,801.04, 83,701.70 and 13,681.31

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Solution

The fourth proportional to 55,801.04, 83,701.70 and 13,681.31 is: 20,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.04 : 83,701.70 = 13,681.31 : x
  2. Step 2: Convert to fraction form
    55,801.04/83,701.70 = 13,681.31/x
  3. Step 3: Cross multiply
    55,801.04x = 83,701.70 × 13,681.31
  4. Step 4: Simplify right side
    55,801.04x = 1,145,148,905.23
  5. Step 5: Solve for x
    x = 1,145,148,905.23/55,801.04
  6. Step 6: Final answer
    x = 20,522.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.