Home / 86,427.76-119,270.36-46,683.76

Finding the Fourth Proportional to 86,427.76, 119,270.36 and 46,683.76

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Solution

The fourth proportional to 86,427.76, 119,270.36 and 46,683.76 is: 64,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,427.76 : 119,270.36 = 46,683.76 : x
  2. Step 2: Convert to fraction form
    86,427.76/119,270.36 = 46,683.76/x
  3. Step 3: Cross multiply
    86,427.76x = 119,270.36 × 46,683.76
  4. Step 4: Simplify right side
    86,427.76x = 5,567,988,861.35
  5. Step 5: Solve for x
    x = 5,567,988,861.35/86,427.76
  6. Step 6: Final answer
    x = 64,423.62

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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.