Home / 97,789.42-134,938.23-54,762.93

Finding the Fourth Proportional to 97,789.42, 134,938.23 and 54,762.93

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Solution

The fourth proportional to 97,789.42, 134,938.23 and 54,762.93 is: 75,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.42 : 134,938.23 = 54,762.93 : x
  2. Step 2: Convert to fraction form
    97,789.42/134,938.23 = 54,762.93/x
  3. Step 3: Cross multiply
    97,789.42x = 134,938.23 × 54,762.93
  4. Step 4: Simplify right side
    97,789.42x = 7,389,612,843.81
  5. Step 5: Solve for x
    x = 7,389,612,843.81/97,789.42
  6. Step 6: Final answer
    x = 75,566.59

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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.