Home / 66,755.01-92,124.45-38,079.35

Finding the Fourth Proportional to 66,755.01, 92,124.45 and 38,079.35

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Solution

The fourth proportional to 66,755.01, 92,124.45 and 38,079.35 is: 52,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755.01 : 92,124.45 = 38,079.35 : x
  2. Step 2: Convert to fraction form
    66,755.01/92,124.45 = 38,079.35/x
  3. Step 3: Cross multiply
    66,755.01x = 92,124.45 × 38,079.35
  4. Step 4: Simplify right side
    66,755.01x = 3,508,038,714.49
  5. Step 5: Solve for x
    x = 3,508,038,714.49/66,755.01
  6. Step 6: Final answer
    x = 52,550.94

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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.