Home / 94,055.16-140,898.12-54,529.20

Finding the Fourth Proportional to 94,055.16, 140,898.12 and 54,529.20

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Solution

The fourth proportional to 94,055.16, 140,898.12 and 54,529.20 is: 81,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,055.16 : 140,898.12 = 54,529.20 : x
  2. Step 2: Convert to fraction form
    94,055.16/140,898.12 = 54,529.20/x
  3. Step 3: Cross multiply
    94,055.16x = 140,898.12 × 54,529.20
  4. Step 4: Simplify right side
    94,055.16x = 7,683,061,765.10
  5. Step 5: Solve for x
    x = 7,683,061,765.10/94,055.16
  6. Step 6: Final answer
    x = 81,686.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.