Home / 94,518.78-130,435.86-56,805.18

Finding the Fourth Proportional to 94,518.78, 130,435.86 and 56,805.18

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Solution

The fourth proportional to 94,518.78, 130,435.86 and 56,805.18 is: 78,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,518.78 : 130,435.86 = 56,805.18 : x
  2. Step 2: Convert to fraction form
    94,518.78/130,435.86 = 56,805.18/x
  3. Step 3: Cross multiply
    94,518.78x = 130,435.86 × 56,805.18
  4. Step 4: Simplify right side
    94,518.78x = 7,409,432,505.75
  5. Step 5: Solve for x
    x = 7,409,432,505.75/94,518.78
  6. Step 6: Final answer
    x = 78,391.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.