Home / 93,715.90-129,327.78-51,274.34

Finding the Fourth Proportional to 93,715.90, 129,327.78 and 51,274.34

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Solution

The fourth proportional to 93,715.90, 129,327.78 and 51,274.34 is: 70,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,715.90 : 129,327.78 = 51,274.34 : x
  2. Step 2: Convert to fraction form
    93,715.90/129,327.78 = 51,274.34/x
  3. Step 3: Cross multiply
    93,715.90x = 129,327.78 × 51,274.34
  4. Step 4: Simplify right side
    93,715.90x = 6,631,196,563.17
  5. Step 5: Solve for x
    x = 6,631,196,563.17/93,715.90
  6. Step 6: Final answer
    x = 70,758.50

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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.