Home / 93,678.24-140,418.90-58,139.46

Finding the Fourth Proportional to 93,678.24, 140,418.90 and 58,139.46

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Solution

The fourth proportional to 93,678.24, 140,418.90 and 58,139.46 is: 87,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,678.24 : 140,418.90 = 58,139.46 : x
  2. Step 2: Convert to fraction form
    93,678.24/140,418.90 = 58,139.46/x
  3. Step 3: Cross multiply
    93,678.24x = 140,418.90 × 58,139.46
  4. Step 4: Simplify right side
    93,678.24x = 8,163,879,019.79
  5. Step 5: Solve for x
    x = 8,163,879,019.79/93,678.24
  6. Step 6: Final answer
    x = 87,148.08

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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.