Home / 66,990.34-92,427.73-43,130.83

Finding the Fourth Proportional to 66,990.34, 92,427.73 and 43,130.83

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Solution

The fourth proportional to 66,990.34, 92,427.73 and 43,130.83 is: 59,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,990.34 : 92,427.73 = 43,130.83 : x
  2. Step 2: Convert to fraction form
    66,990.34/92,427.73 = 43,130.83/x
  3. Step 3: Cross multiply
    66,990.34x = 92,427.73 × 43,130.83
  4. Step 4: Simplify right side
    66,990.34x = 3,986,484,709.92
  5. Step 5: Solve for x
    x = 3,986,484,709.92/66,990.34
  6. Step 6: Final answer
    x = 59,508.35

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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.