Home / 86,875.40-119,833.32-66,701.48

Finding the Fourth Proportional to 86,875.40, 119,833.32 and 66,701.48

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Solution

The fourth proportional to 86,875.40, 119,833.32 and 66,701.48 is: 92,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.40 : 119,833.32 = 66,701.48 : x
  2. Step 2: Convert to fraction form
    86,875.40/119,833.32 = 66,701.48/x
  3. Step 3: Cross multiply
    86,875.40x = 119,833.32 × 66,701.48
  4. Step 4: Simplify right side
    86,875.40x = 7,993,059,797.31
  5. Step 5: Solve for x
    x = 7,993,059,797.31/86,875.40
  6. Step 6: Final answer
    x = 92,006.02

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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.