Home / 74,283.66-102,510.59-40,291.52

Finding the Fourth Proportional to 74,283.66, 102,510.59 and 40,291.52

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Solution

The fourth proportional to 74,283.66, 102,510.59 and 40,291.52 is: 55,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.66 : 102,510.59 = 40,291.52 : x
  2. Step 2: Convert to fraction form
    74,283.66/102,510.59 = 40,291.52/x
  3. Step 3: Cross multiply
    74,283.66x = 102,510.59 × 40,291.52
  4. Step 4: Simplify right side
    74,283.66x = 4,130,306,773.19
  5. Step 5: Solve for x
    x = 4,130,306,773.19/74,283.66
  6. Step 6: Final answer
    x = 55,601.82

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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.