Home / 84,518.13-126,590.33-57,800.81

Finding the Fourth Proportional to 84,518.13, 126,590.33 and 57,800.81

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Solution

The fourth proportional to 84,518.13, 126,590.33 and 57,800.81 is: 86,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,518.13 : 126,590.33 = 57,800.81 : x
  2. Step 2: Convert to fraction form
    84,518.13/126,590.33 = 57,800.81/x
  3. Step 3: Cross multiply
    84,518.13x = 126,590.33 × 57,800.81
  4. Step 4: Simplify right side
    84,518.13x = 7,317,023,123.72
  5. Step 5: Solve for x
    x = 7,317,023,123.72/84,518.13
  6. Step 6: Final answer
    x = 86,573.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.