Home / 77,656.89-116,466.08-33,278.61

Finding the Fourth Proportional to 77,656.89, 116,466.08 and 33,278.61

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Solution

The fourth proportional to 77,656.89, 116,466.08 and 33,278.61 is: 49,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,656.89 : 116,466.08 = 33,278.61 : x
  2. Step 2: Convert to fraction form
    77,656.89/116,466.08 = 33,278.61/x
  3. Step 3: Cross multiply
    77,656.89x = 116,466.08 × 33,278.61
  4. Step 4: Simplify right side
    77,656.89x = 3,875,829,088.16
  5. Step 5: Solve for x
    x = 3,875,829,088.16/77,656.89
  6. Step 6: Final answer
    x = 49,909.66

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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.