Home / 92,758.31-128,006.51-52,471.22

Finding the Fourth Proportional to 92,758.31, 128,006.51 and 52,471.22

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Solution

The fourth proportional to 92,758.31, 128,006.51 and 52,471.22 is: 72,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,758.31 : 128,006.51 = 52,471.22 : x
  2. Step 2: Convert to fraction form
    92,758.31/128,006.51 = 52,471.22/x
  3. Step 3: Cross multiply
    92,758.31x = 128,006.51 × 52,471.22
  4. Step 4: Simplify right side
    92,758.31x = 6,716,656,845.25
  5. Step 5: Solve for x
    x = 6,716,656,845.25/92,758.31
  6. Step 6: Final answer
    x = 72,410.30

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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.