Home / 72,864.37-100,557.98-40,601.13

Finding the Fourth Proportional to 72,864.37, 100,557.98 and 40,601.13

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Solution

The fourth proportional to 72,864.37, 100,557.98 and 40,601.13 is: 56,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864.37 : 100,557.98 = 40,601.13 : x
  2. Step 2: Convert to fraction form
    72,864.37/100,557.98 = 40,601.13/x
  3. Step 3: Cross multiply
    72,864.37x = 100,557.98 × 40,601.13
  4. Step 4: Simplify right side
    72,864.37x = 4,082,767,618.52
  5. Step 5: Solve for x
    x = 4,082,767,618.52/72,864.37
  6. Step 6: Final answer
    x = 56,032.43

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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.