Home / 93,757.12-129,379.86-51,307.45

Finding the Fourth Proportional to 93,757.12, 129,379.86 and 51,307.45

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Solution

The fourth proportional to 93,757.12, 129,379.86 and 51,307.45 is: 70,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,757.12 : 129,379.86 = 51,307.45 : x
  2. Step 2: Convert to fraction form
    93,757.12/129,379.86 = 51,307.45/x
  3. Step 3: Cross multiply
    93,757.12x = 129,379.86 × 51,307.45
  4. Step 4: Simplify right side
    93,757.12x = 6,638,150,697.96
  5. Step 5: Solve for x
    x = 6,638,150,697.96/93,757.12
  6. Step 6: Final answer
    x = 70,801.56

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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.