Home / 90,383.77-124,664.84-59,721.35

Finding the Fourth Proportional to 90,383.77, 124,664.84 and 59,721.35

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Solution

The fourth proportional to 90,383.77, 124,664.84 and 59,721.35 is: 82,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,383.77 : 124,664.84 = 59,721.35 : x
  2. Step 2: Convert to fraction form
    90,383.77/124,664.84 = 59,721.35/x
  3. Step 3: Cross multiply
    90,383.77x = 124,664.84 × 59,721.35
  4. Step 4: Simplify right side
    90,383.77x = 7,445,152,243.73
  5. Step 5: Solve for x
    x = 7,445,152,243.73/90,383.77
  6. Step 6: Final answer
    x = 82,372.67

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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.