Home / 93,754.76-129,336.82-57,931.88

Finding the Fourth Proportional to 93,754.76, 129,336.82 and 57,931.88

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Solution

The fourth proportional to 93,754.76, 129,336.82 and 57,931.88 is: 79,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,754.76 : 129,336.82 = 57,931.88 : x
  2. Step 2: Convert to fraction form
    93,754.76/129,336.82 = 57,931.88/x
  3. Step 3: Cross multiply
    93,754.76x = 129,336.82 × 57,931.88
  4. Step 4: Simplify right side
    93,754.76x = 7,492,725,135.82
  5. Step 5: Solve for x
    x = 7,492,725,135.82/93,754.76
  6. Step 6: Final answer
    x = 79,918.34

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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.