Home / 84,123.64-116,090.40-48,315.97

Finding the Fourth Proportional to 84,123.64, 116,090.40 and 48,315.97

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Solution

The fourth proportional to 84,123.64, 116,090.40 and 48,315.97 is: 66,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,123.64 : 116,090.40 = 48,315.97 : x
  2. Step 2: Convert to fraction form
    84,123.64/116,090.40 = 48,315.97/x
  3. Step 3: Cross multiply
    84,123.64x = 116,090.40 × 48,315.97
  4. Step 4: Simplify right side
    84,123.64x = 5,609,020,283.69
  5. Step 5: Solve for x
    x = 5,609,020,283.69/84,123.64
  6. Step 6: Final answer
    x = 66,675.91

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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.