Home / 109,827.09-151,555.46-62,077.59

Finding the Fourth Proportional to 109,827.09, 151,555.46 and 62,077.59

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Solution

The fourth proportional to 109,827.09, 151,555.46 and 62,077.59 is: 85,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,827.09 : 151,555.46 = 62,077.59 : x
  2. Step 2: Convert to fraction form
    109,827.09/151,555.46 = 62,077.59/x
  3. Step 3: Cross multiply
    109,827.09x = 151,555.46 × 62,077.59
  4. Step 4: Simplify right side
    109,827.09x = 9,408,197,397.75
  5. Step 5: Solve for x
    x = 9,408,197,397.75/109,827.09
  6. Step 6: Final answer
    x = 85,663.72

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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.