Home / 86,471.19-119,312.07-52,497.54

Finding the Fourth Proportional to 86,471.19, 119,312.07 and 52,497.54

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Solution

The fourth proportional to 86,471.19, 119,312.07 and 52,497.54 is: 72,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.19 : 119,312.07 = 52,497.54 : x
  2. Step 2: Convert to fraction form
    86,471.19/119,312.07 = 52,497.54/x
  3. Step 3: Cross multiply
    86,471.19x = 119,312.07 × 52,497.54
  4. Step 4: Simplify right side
    86,471.19x = 6,263,590,167.31
  5. Step 5: Solve for x
    x = 6,263,590,167.31/86,471.19
  6. Step 6: Final answer
    x = 72,435.57

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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.