Home / 76,485.65-114,689.07-34,329.59

Finding the Fourth Proportional to 76,485.65, 114,689.07 and 34,329.59

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Solution

The fourth proportional to 76,485.65, 114,689.07 and 34,329.59 is: 51,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.65 : 114,689.07 = 34,329.59 : x
  2. Step 2: Convert to fraction form
    76,485.65/114,689.07 = 34,329.59/x
  3. Step 3: Cross multiply
    76,485.65x = 114,689.07 × 34,329.59
  4. Step 4: Simplify right side
    76,485.65x = 3,937,228,607.22
  5. Step 5: Solve for x
    x = 3,937,228,607.22/76,485.65
  6. Step 6: Final answer
    x = 51,476.70

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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.