Home / 74,633.96-102,886.07-56,697.84

Finding the Fourth Proportional to 74,633.96, 102,886.07 and 56,697.84

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Solution

The fourth proportional to 74,633.96, 102,886.07 and 56,697.84 is: 78,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.96 : 102,886.07 = 56,697.84 : x
  2. Step 2: Convert to fraction form
    74,633.96/102,886.07 = 56,697.84/x
  3. Step 3: Cross multiply
    74,633.96x = 102,886.07 × 56,697.84
  4. Step 4: Simplify right side
    74,633.96x = 5,833,417,651.60
  5. Step 5: Solve for x
    x = 5,833,417,651.60/74,633.96
  6. Step 6: Final answer
    x = 78,160.36

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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.