Home / 92,889.16-128,195.40-52,612.72

Finding the Fourth Proportional to 92,889.16, 128,195.40 and 52,612.72

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Solution

The fourth proportional to 92,889.16, 128,195.40 and 52,612.72 is: 72,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,889.16 : 128,195.40 = 52,612.72 : x
  2. Step 2: Convert to fraction form
    92,889.16/128,195.40 = 52,612.72/x
  3. Step 3: Cross multiply
    92,889.16x = 128,195.40 × 52,612.72
  4. Step 4: Simplify right side
    92,889.16x = 6,744,708,685.49
  5. Step 5: Solve for x
    x = 6,744,708,685.49/92,889.16
  6. Step 6: Final answer
    x = 72,610.29

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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.