Home / 86,491.20-119,358.72-50,702.40

Finding the Fourth Proportional to 86,491.20, 119,358.72 and 50,702.40

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Solution

The fourth proportional to 86,491.20, 119,358.72 and 50,702.40 is: 69,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,491.20 : 119,358.72 = 50,702.40 : x
  2. Step 2: Convert to fraction form
    86,491.20/119,358.72 = 50,702.40/x
  3. Step 3: Cross multiply
    86,491.20x = 119,358.72 × 50,702.40
  4. Step 4: Simplify right side
    86,491.20x = 6,051,773,564.93
  5. Step 5: Solve for x
    x = 6,051,773,564.93/86,491.20
  6. Step 6: Final answer
    x = 69,969.82

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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.