Home / 66,984.48-92,438.28-36,769

Finding the Fourth Proportional to 66,984.48, 92,438.28 and 36,769

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Solution

The fourth proportional to 66,984.48, 92,438.28 and 36,769 is: 50,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,984.48 : 92,438.28 = 36,769 : x
  2. Step 2: Convert to fraction form
    66,984.48/92,438.28 = 36,769/x
  3. Step 3: Cross multiply
    66,984.48x = 92,438.28 × 36,769
  4. Step 4: Simplify right side
    66,984.48x = 3,398,863,117.32
  5. Step 5: Solve for x
    x = 3,398,863,117.32/66,984.48
  6. Step 6: Final answer
    x = 50,741.05

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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.