Home / 74,347.04-102,598.99-40,355.51

Finding the Fourth Proportional to 74,347.04, 102,598.99 and 40,355.51

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Solution

The fourth proportional to 74,347.04, 102,598.99 and 40,355.51 is: 55,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,347.04 : 102,598.99 = 40,355.51 : x
  2. Step 2: Convert to fraction form
    74,347.04/102,598.99 = 40,355.51/x
  3. Step 3: Cross multiply
    74,347.04x = 102,598.99 × 40,355.51
  4. Step 4: Simplify right side
    74,347.04x = 4,140,434,722.54
  5. Step 5: Solve for x
    x = 4,140,434,722.54/74,347.04
  6. Step 6: Final answer
    x = 55,690.64

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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.