Home / 91,973.04-137,962.80-35,817.36

Finding the Fourth Proportional to 91,973.04, 137,962.80 and 35,817.36

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Solution

The fourth proportional to 91,973.04, 137,962.80 and 35,817.36 is: 53,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,973.04 : 137,962.80 = 35,817.36 : x
  2. Step 2: Convert to fraction form
    91,973.04/137,962.80 = 35,817.36/x
  3. Step 3: Cross multiply
    91,973.04x = 137,962.80 × 35,817.36
  4. Step 4: Simplify right side
    91,973.04x = 4,941,463,274.21
  5. Step 5: Solve for x
    x = 4,941,463,274.21/91,973.04
  6. Step 6: Final answer
    x = 53,727.30

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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.