Home / 74,267.02-102,488.50-40,275.49

Finding the Fourth Proportional to 74,267.02, 102,488.50 and 40,275.49

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Solution

The fourth proportional to 74,267.02, 102,488.50 and 40,275.49 is: 55,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,267.02 : 102,488.50 = 40,275.49 : x
  2. Step 2: Convert to fraction form
    74,267.02/102,488.50 = 40,275.49/x
  3. Step 3: Cross multiply
    74,267.02x = 102,488.50 × 40,275.49
  4. Step 4: Simplify right side
    74,267.02x = 4,127,774,556.87
  5. Step 5: Solve for x
    x = 4,127,774,556.87/74,267.02
  6. Step 6: Final answer
    x = 55,580.18

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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.