Home / 74,122.04-102,288.42-40,588.04

Finding the Fourth Proportional to 74,122.04, 102,288.42 and 40,588.04

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Solution

The fourth proportional to 74,122.04, 102,288.42 and 40,588.04 is: 56,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,122.04 : 102,288.42 = 40,588.04 : x
  2. Step 2: Convert to fraction form
    74,122.04/102,288.42 = 40,588.04/x
  3. Step 3: Cross multiply
    74,122.04x = 102,288.42 × 40,588.04
  4. Step 4: Simplify right side
    74,122.04x = 4,151,686,482.50
  5. Step 5: Solve for x
    x = 4,151,686,482.50/74,122.04
  6. Step 6: Final answer
    x = 56,011.50

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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.