Home / 86,921.64-119,970.54-52,941.30

Finding the Fourth Proportional to 86,921.64, 119,970.54 and 52,941.30

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Solution

The fourth proportional to 86,921.64, 119,970.54 and 52,941.30 is: 73,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921.64 : 119,970.54 = 52,941.30 : x
  2. Step 2: Convert to fraction form
    86,921.64/119,970.54 = 52,941.30/x
  3. Step 3: Cross multiply
    86,921.64x = 119,970.54 × 52,941.30
  4. Step 4: Simplify right side
    86,921.64x = 6,351,396,349.30
  5. Step 5: Solve for x
    x = 6,351,396,349.30/86,921.64
  6. Step 6: Final answer
    x = 73,070.37

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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.