Home / 86,948.04-119,980.80-50,643.84

Finding the Fourth Proportional to 86,948.04, 119,980.80 and 50,643.84

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Solution

The fourth proportional to 86,948.04, 119,980.80 and 50,643.84 is: 69,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948.04 : 119,980.80 = 50,643.84 : x
  2. Step 2: Convert to fraction form
    86,948.04/119,980.80 = 50,643.84/x
  3. Step 3: Cross multiply
    86,948.04x = 119,980.80 × 50,643.84
  4. Step 4: Simplify right side
    86,948.04x = 6,076,288,438.27
  5. Step 5: Solve for x
    x = 6,076,288,438.27/86,948.04
  6. Step 6: Final answer
    x = 69,884.13

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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.