Home / 92,835.52-128,115.89-54,588.16

Finding the Fourth Proportional to 92,835.52, 128,115.89 and 54,588.16

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Solution

The fourth proportional to 92,835.52, 128,115.89 and 54,588.16 is: 75,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,835.52 : 128,115.89 = 54,588.16 : x
  2. Step 2: Convert to fraction form
    92,835.52/128,115.89 = 54,588.16/x
  3. Step 3: Cross multiply
    92,835.52x = 128,115.89 × 54,588.16
  4. Step 4: Simplify right side
    92,835.52x = 6,993,610,701.86
  5. Step 5: Solve for x
    x = 6,993,610,701.86/92,835.52
  6. Step 6: Final answer
    x = 75,333.35

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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.