Home / 54,374.64-75,038.30-30,503.08

Finding the Fourth Proportional to 54,374.64, 75,038.30 and 30,503.08

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Solution

The fourth proportional to 54,374.64, 75,038.30 and 30,503.08 is: 42,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,374.64 : 75,038.30 = 30,503.08 : x
  2. Step 2: Convert to fraction form
    54,374.64/75,038.30 = 30,503.08/x
  3. Step 3: Cross multiply
    54,374.64x = 75,038.30 × 30,503.08
  4. Step 4: Simplify right side
    54,374.64x = 2,288,899,267.96
  5. Step 5: Solve for x
    x = 2,288,899,267.96/54,374.64
  6. Step 6: Final answer
    x = 42,094.98

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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.