Home / 85,945.84-118,604.72-48,220

Finding the Fourth Proportional to 85,945.84, 118,604.72 and 48,220

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Solution

The fourth proportional to 85,945.84, 118,604.72 and 48,220 is: 66,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,945.84 : 118,604.72 = 48,220 : x
  2. Step 2: Convert to fraction form
    85,945.84/118,604.72 = 48,220/x
  3. Step 3: Cross multiply
    85,945.84x = 118,604.72 × 48,220
  4. Step 4: Simplify right side
    85,945.84x = 5,719,119,598.40
  5. Step 5: Solve for x
    x = 5,719,119,598.40/85,945.84
  6. Step 6: Final answer
    x = 66,543.30

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1.5x scale

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.