Home / 86,947.08-119,991.47-48,704.40

Finding the Fourth Proportional to 86,947.08, 119,991.47 and 48,704.40

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Solution

The fourth proportional to 86,947.08, 119,991.47 and 48,704.40 is: 67,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947.08 : 119,991.47 = 48,704.40 : x
  2. Step 2: Convert to fraction form
    86,947.08/119,991.47 = 48,704.40/x
  3. Step 3: Cross multiply
    86,947.08x = 119,991.47 × 48,704.40
  4. Step 4: Simplify right side
    86,947.08x = 5,844,112,307.95
  5. Step 5: Solve for x
    x = 5,844,112,307.95/86,947.08
  6. Step 6: Final answer
    x = 67,214.59

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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.