Home / 94,701.95-130,711.05-54,439.07

Finding the Fourth Proportional to 94,701.95, 130,711.05 and 54,439.07

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Solution

The fourth proportional to 94,701.95, 130,711.05 and 54,439.07 is: 75,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,701.95 : 130,711.05 = 54,439.07 : x
  2. Step 2: Convert to fraction form
    94,701.95/130,711.05 = 54,439.07/x
  3. Step 3: Cross multiply
    94,701.95x = 130,711.05 × 54,439.07
  4. Step 4: Simplify right side
    94,701.95x = 7,115,788,000.72
  5. Step 5: Solve for x
    x = 7,115,788,000.72/94,701.95
  6. Step 6: Final answer
    x = 75,138.77

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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.