Home / 76,501.28-114,734.58-29,099.40

Finding the Fourth Proportional to 76,501.28, 114,734.58 and 29,099.40

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Solution

The fourth proportional to 76,501.28, 114,734.58 and 29,099.40 is: 43,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,501.28 : 114,734.58 = 29,099.40 : x
  2. Step 2: Convert to fraction form
    76,501.28/114,734.58 = 29,099.40/x
  3. Step 3: Cross multiply
    76,501.28x = 114,734.58 × 29,099.40
  4. Step 4: Simplify right side
    76,501.28x = 3,338,707,437.25
  5. Step 5: Solve for x
    x = 3,338,707,437.25/76,501.28
  6. Step 6: Final answer
    x = 43,642.50

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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.