Home / 66,822.76-92,337.06-63,583.72

Finding the Fourth Proportional to 66,822.76, 92,337.06 and 63,583.72

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Solution

The fourth proportional to 66,822.76, 92,337.06 and 63,583.72 is: 87,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822.76 : 92,337.06 = 63,583.72 : x
  2. Step 2: Convert to fraction form
    66,822.76/92,337.06 = 63,583.72/x
  3. Step 3: Cross multiply
    66,822.76x = 92,337.06 × 63,583.72
  4. Step 4: Simplify right side
    66,822.76x = 5,871,133,768.66
  5. Step 5: Solve for x
    x = 5,871,133,768.66/66,822.76
  6. Step 6: Final answer
    x = 87,861.29

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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.