Home / 57,374.64-79,154.88-42,303.06

Finding the Fourth Proportional to 57,374.64, 79,154.88 and 42,303.06

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Solution

The fourth proportional to 57,374.64, 79,154.88 and 42,303.06 is: 58,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,374.64 : 79,154.88 = 42,303.06 : x
  2. Step 2: Convert to fraction form
    57,374.64/79,154.88 = 42,303.06/x
  3. Step 3: Cross multiply
    57,374.64x = 79,154.88 × 42,303.06
  4. Step 4: Simplify right side
    57,374.64x = 3,348,493,637.93
  5. Step 5: Solve for x
    x = 3,348,493,637.93/57,374.64
  6. Step 6: Final answer
    x = 58,361.91

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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.