Home / 92,828.08-128,100.84-52,541.12

Finding the Fourth Proportional to 92,828.08, 128,100.84 and 52,541.12

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Solution

The fourth proportional to 92,828.08, 128,100.84 and 52,541.12 is: 72,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828.08 : 128,100.84 = 52,541.12 : x
  2. Step 2: Convert to fraction form
    92,828.08/128,100.84 = 52,541.12/x
  3. Step 3: Cross multiply
    92,828.08x = 128,100.84 × 52,541.12
  4. Step 4: Simplify right side
    92,828.08x = 6,730,561,606.54
  5. Step 5: Solve for x
    x = 6,730,561,606.54/92,828.08
  6. Step 6: Final answer
    x = 72,505.66

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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.