Home / 74,215.50-102,417.63-40,224.54

Finding the Fourth Proportional to 74,215.50, 102,417.63 and 40,224.54

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Solution

The fourth proportional to 74,215.50, 102,417.63 and 40,224.54 is: 55,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.50 : 102,417.63 = 40,224.54 : x
  2. Step 2: Convert to fraction form
    74,215.50/102,417.63 = 40,224.54/x
  3. Step 3: Cross multiply
    74,215.50x = 102,417.63 × 40,224.54
  4. Step 4: Simplify right side
    74,215.50x = 4,119,702,054.64
  5. Step 5: Solve for x
    x = 4,119,702,054.64/74,215.50
  6. Step 6: Final answer
    x = 55,510.00

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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.