Home / 77,429.10-116,230.05-72,353.10

Finding the Fourth Proportional to 77,429.10, 116,230.05 and 72,353.10

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Solution

The fourth proportional to 77,429.10, 116,230.05 and 72,353.10 is: 108,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,429.10 : 116,230.05 = 72,353.10 : x
  2. Step 2: Convert to fraction form
    77,429.10/116,230.05 = 72,353.10/x
  3. Step 3: Cross multiply
    77,429.10x = 116,230.05 × 72,353.10
  4. Step 4: Simplify right side
    77,429.10x = 8,409,604,430.66
  5. Step 5: Solve for x
    x = 8,409,604,430.66/77,429.10
  6. Step 6: Final answer
    x = 108,610.39

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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.