Home / 66,999.84-92,456.28-45,784.32

Finding the Fourth Proportional to 66,999.84, 92,456.28 and 45,784.32

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Solution

The fourth proportional to 66,999.84, 92,456.28 and 45,784.32 is: 63,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,999.84 : 92,456.28 = 45,784.32 : x
  2. Step 2: Convert to fraction form
    66,999.84/92,456.28 = 45,784.32/x
  3. Step 3: Cross multiply
    66,999.84x = 92,456.28 × 45,784.32
  4. Step 4: Simplify right side
    66,999.84x = 4,233,047,909.53
  5. Step 5: Solve for x
    x = 4,233,047,909.53/66,999.84
  6. Step 6: Final answer
    x = 63,179.97

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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.