Home / 85,506.48-118,015.56-49,703.76

Finding the Fourth Proportional to 85,506.48, 118,015.56 and 49,703.76

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Solution

The fourth proportional to 85,506.48, 118,015.56 and 49,703.76 is: 68,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,506.48 : 118,015.56 = 49,703.76 : x
  2. Step 2: Convert to fraction form
    85,506.48/118,015.56 = 49,703.76/x
  3. Step 3: Cross multiply
    85,506.48x = 118,015.56 × 49,703.76
  4. Step 4: Simplify right side
    85,506.48x = 5,865,817,070.51
  5. Step 5: Solve for x
    x = 5,865,817,070.51/85,506.48
  6. Step 6: Final answer
    x = 68,600.85

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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.