Home / 84,123.39-116,090.06-48,315.72

Finding the Fourth Proportional to 84,123.39, 116,090.06 and 48,315.72

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Solution

The fourth proportional to 84,123.39, 116,090.06 and 48,315.72 is: 66,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,123.39 : 116,090.06 = 48,315.72 : x
  2. Step 2: Convert to fraction form
    84,123.39/116,090.06 = 48,315.72/x
  3. Step 3: Cross multiply
    84,123.39x = 116,090.06 × 48,315.72
  4. Step 4: Simplify right side
    84,123.39x = 5,608,974,592.16
  5. Step 5: Solve for x
    x = 5,608,974,592.16/84,123.39
  6. Step 6: Final answer
    x = 66,675.57

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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.