Home / 94,867.98-130,902.03-56,643

Finding the Fourth Proportional to 94,867.98, 130,902.03 and 56,643

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Solution

The fourth proportional to 94,867.98, 130,902.03 and 56,643 is: 78,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,867.98 : 130,902.03 = 56,643 : x
  2. Step 2: Convert to fraction form
    94,867.98/130,902.03 = 56,643/x
  3. Step 3: Cross multiply
    94,867.98x = 130,902.03 × 56,643
  4. Step 4: Simplify right side
    94,867.98x = 7,414,683,685.29
  5. Step 5: Solve for x
    x = 7,414,683,685.29/94,867.98
  6. Step 6: Final answer
    x = 78,157.92

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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.