Home / 72,864.77-100,554.56-40,599.43

Finding the Fourth Proportional to 72,864.77, 100,554.56 and 40,599.43

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Solution

The fourth proportional to 72,864.77, 100,554.56 and 40,599.43 is: 56,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864.77 : 100,554.56 = 40,599.43 : x
  2. Step 2: Convert to fraction form
    72,864.77/100,554.56 = 40,599.43/x
  3. Step 3: Cross multiply
    72,864.77x = 100,554.56 × 40,599.43
  4. Step 4: Simplify right side
    72,864.77x = 4,082,457,746.14
  5. Step 5: Solve for x
    x = 4,082,457,746.14/72,864.77
  6. Step 6: Final answer
    x = 56,027.87

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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.