Home / 94,782.62-130,838.18-64,598.45

Finding the Fourth Proportional to 94,782.62, 130,838.18 and 64,598.45

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Solution

The fourth proportional to 94,782.62, 130,838.18 and 64,598.45 is: 89,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,782.62 : 130,838.18 = 64,598.45 : x
  2. Step 2: Convert to fraction form
    94,782.62/130,838.18 = 64,598.45/x
  3. Step 3: Cross multiply
    94,782.62x = 130,838.18 × 64,598.45
  4. Step 4: Simplify right side
    94,782.62x = 8,451,943,463.22
  5. Step 5: Solve for x
    x = 8,451,943,463.22/94,782.62
  6. Step 6: Final answer
    x = 89,171.87

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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.