Home / 74,282.27-102,510.05-40,290.93

Finding the Fourth Proportional to 74,282.27, 102,510.05 and 40,290.93

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Solution

The fourth proportional to 74,282.27, 102,510.05 and 40,290.93 is: 55,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,282.27 : 102,510.05 = 40,290.93 : x
  2. Step 2: Convert to fraction form
    74,282.27/102,510.05 = 40,290.93/x
  3. Step 3: Cross multiply
    74,282.27x = 102,510.05 × 40,290.93
  4. Step 4: Simplify right side
    74,282.27x = 4,130,225,047.39
  5. Step 5: Solve for x
    x = 4,130,225,047.39/74,282.27
  6. Step 6: Final answer
    x = 55,601.77

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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.