Home / 76,610.10-115,001.55-59,157.30

Finding the Fourth Proportional to 76,610.10, 115,001.55 and 59,157.30

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Solution

The fourth proportional to 76,610.10, 115,001.55 and 59,157.30 is: 88,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,610.10 : 115,001.55 = 59,157.30 : x
  2. Step 2: Convert to fraction form
    76,610.10/115,001.55 = 59,157.30/x
  3. Step 3: Cross multiply
    76,610.10x = 115,001.55 × 59,157.30
  4. Step 4: Simplify right side
    76,610.10x = 6,803,181,193.82
  5. Step 5: Solve for x
    x = 6,803,181,193.82/76,610.10
  6. Step 6: Final answer
    x = 88,802.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.