Home / 93,774.16-129,408.69-51,336.64

Finding the Fourth Proportional to 93,774.16, 129,408.69 and 51,336.64

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Solution

The fourth proportional to 93,774.16, 129,408.69 and 51,336.64 is: 70,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,774.16 : 129,408.69 = 51,336.64 : x
  2. Step 2: Convert to fraction form
    93,774.16/129,408.69 = 51,336.64/x
  3. Step 3: Cross multiply
    93,774.16x = 129,408.69 × 51,336.64
  4. Step 4: Simplify right side
    93,774.16x = 6,643,407,331.40
  5. Step 5: Solve for x
    x = 6,643,407,331.40/93,774.16
  6. Step 6: Final answer
    x = 70,844.75

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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.