Home / 76,987.09-115,483.87-37,577.35

Finding the Fourth Proportional to 76,987.09, 115,483.87 and 37,577.35

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Solution

The fourth proportional to 76,987.09, 115,483.87 and 37,577.35 is: 56,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,987.09 : 115,483.87 = 37,577.35 : x
  2. Step 2: Convert to fraction form
    76,987.09/115,483.87 = 37,577.35/x
  3. Step 3: Cross multiply
    76,987.09x = 115,483.87 × 37,577.35
  4. Step 4: Simplify right side
    76,987.09x = 4,339,577,802.34
  5. Step 5: Solve for x
    x = 4,339,577,802.34/76,987.09
  6. Step 6: Final answer
    x = 56,367.60

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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.