Home / 86,331.40-119,136.90-48,605.92

Finding the Fourth Proportional to 86,331.40, 119,136.90 and 48,605.92

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Solution

The fourth proportional to 86,331.40, 119,136.90 and 48,605.92 is: 67,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,331.40 : 119,136.90 = 48,605.92 : x
  2. Step 2: Convert to fraction form
    86,331.40/119,136.90 = 48,605.92/x
  3. Step 3: Cross multiply
    86,331.40x = 119,136.90 × 48,605.92
  4. Step 4: Simplify right side
    86,331.40x = 5,790,758,630.45
  5. Step 5: Solve for x
    x = 5,790,758,630.45/86,331.40
  6. Step 6: Final answer
    x = 67,075.93

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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.