Home / 76,875.42-115,308.54-29,513.16

Finding the Fourth Proportional to 76,875.42, 115,308.54 and 29,513.16

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Solution

The fourth proportional to 76,875.42, 115,308.54 and 29,513.16 is: 44,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,875.42 : 115,308.54 = 29,513.16 : x
  2. Step 2: Convert to fraction form
    76,875.42/115,308.54 = 29,513.16/x
  3. Step 3: Cross multiply
    76,875.42x = 115,308.54 × 29,513.16
  4. Step 4: Simplify right side
    76,875.42x = 3,403,119,390.39
  5. Step 5: Solve for x
    x = 3,403,119,390.39/76,875.42
  6. Step 6: Final answer
    x = 44,267.98

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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.