Home / 97,136.48-145,725.42-55,036.74

Finding the Fourth Proportional to 97,136.48, 145,725.42 and 55,036.74

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Solution

The fourth proportional to 97,136.48, 145,725.42 and 55,036.74 is: 82,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,136.48 : 145,725.42 = 55,036.74 : x
  2. Step 2: Convert to fraction form
    97,136.48/145,725.42 = 55,036.74/x
  3. Step 3: Cross multiply
    97,136.48x = 145,725.42 × 55,036.74
  4. Step 4: Simplify right side
    97,136.48x = 8,020,252,051.93
  5. Step 5: Solve for x
    x = 8,020,252,051.93/97,136.48
  6. Step 6: Final answer
    x = 82,566.84

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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.