Home / 76,937.63-115,421.40-29,549.25

Finding the Fourth Proportional to 76,937.63, 115,421.40 and 29,549.25

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Solution

The fourth proportional to 76,937.63, 115,421.40 and 29,549.25 is: 44,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.63 : 115,421.40 = 29,549.25 : x
  2. Step 2: Convert to fraction form
    76,937.63/115,421.40 = 29,549.25/x
  3. Step 3: Cross multiply
    76,937.63x = 115,421.40 × 29,549.25
  4. Step 4: Simplify right side
    76,937.63x = 3,410,615,803.95
  5. Step 5: Solve for x
    x = 3,410,615,803.95/76,937.63
  6. Step 6: Final answer
    x = 44,329.62

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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.