Home / 93,734.09-129,355.58-57,434.90

Finding the Fourth Proportional to 93,734.09, 129,355.58 and 57,434.90

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Solution

The fourth proportional to 93,734.09, 129,355.58 and 57,434.90 is: 79,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,734.09 : 129,355.58 = 57,434.90 : x
  2. Step 2: Convert to fraction form
    93,734.09/129,355.58 = 57,434.90/x
  3. Step 3: Cross multiply
    93,734.09x = 129,355.58 × 57,434.90
  4. Step 4: Simplify right side
    93,734.09x = 7,429,524,514.57
  5. Step 5: Solve for x
    x = 7,429,524,514.57/93,734.09
  6. Step 6: Final answer
    x = 79,261.72

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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.