Home / 86,214.42-118,974.75-48,488.67

Finding the Fourth Proportional to 86,214.42, 118,974.75 and 48,488.67

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Solution

The fourth proportional to 86,214.42, 118,974.75 and 48,488.67 is: 66,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.42 : 118,974.75 = 48,488.67 : x
  2. Step 2: Convert to fraction form
    86,214.42/118,974.75 = 48,488.67/x
  3. Step 3: Cross multiply
    86,214.42x = 118,974.75 × 48,488.67
  4. Step 4: Simplify right side
    86,214.42x = 5,768,927,391.08
  5. Step 5: Solve for x
    x = 5,768,927,391.08/86,214.42
  6. Step 6: Final answer
    x = 66,913.72

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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.