Home / 48,278.10-72,417.15-46,309.80

Finding the Fourth Proportional to 48,278.10, 72,417.15 and 46,309.80

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Solution

The fourth proportional to 48,278.10, 72,417.15 and 46,309.80 is: 69,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.10 : 72,417.15 = 46,309.80 : x
  2. Step 2: Convert to fraction form
    48,278.10/72,417.15 = 46,309.80/x
  3. Step 3: Cross multiply
    48,278.10x = 72,417.15 × 46,309.80
  4. Step 4: Simplify right side
    48,278.10x = 3,353,623,733.07
  5. Step 5: Solve for x
    x = 3,353,623,733.07/48,278.10
  6. Step 6: Final answer
    x = 69,464.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.