Home / 66,434.10-99,709.50-36,885.30

Finding the Fourth Proportional to 66,434.10, 99,709.50 and 36,885.30

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Solution

The fourth proportional to 66,434.10, 99,709.50 and 36,885.30 is: 55,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.10 : 99,709.50 = 36,885.30 : x
  2. Step 2: Convert to fraction form
    66,434.10/99,709.50 = 36,885.30/x
  3. Step 3: Cross multiply
    66,434.10x = 99,709.50 × 36,885.30
  4. Step 4: Simplify right side
    66,434.10x = 3,677,814,820.35
  5. Step 5: Solve for x
    x = 3,677,814,820.35/66,434.10
  6. Step 6: Final answer
    x = 55,360.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.