Home / 86,898.06-119,903.43-48,658.20

Finding the Fourth Proportional to 86,898.06, 119,903.43 and 48,658.20

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Solution

The fourth proportional to 86,898.06, 119,903.43 and 48,658.20 is: 67,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,898.06 : 119,903.43 = 48,658.20 : x
  2. Step 2: Convert to fraction form
    86,898.06/119,903.43 = 48,658.20/x
  3. Step 3: Cross multiply
    86,898.06x = 119,903.43 × 48,658.20
  4. Step 4: Simplify right side
    86,898.06x = 5,834,285,077.63
  5. Step 5: Solve for x
    x = 5,834,285,077.63/86,898.06
  6. Step 6: Final answer
    x = 67,139.42

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1.5x scale

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.