Home / 55,605.02-83,490.77-48,131.76

Finding the Fourth Proportional to 55,605.02, 83,490.77 and 48,131.76

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Solution

The fourth proportional to 55,605.02, 83,490.77 and 48,131.76 is: 72,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.02 : 83,490.77 = 48,131.76 : x
  2. Step 2: Convert to fraction form
    55,605.02/83,490.77 = 48,131.76/x
  3. Step 3: Cross multiply
    55,605.02x = 83,490.77 × 48,131.76
  4. Step 4: Simplify right side
    55,605.02x = 4,018,557,463.20
  5. Step 5: Solve for x
    x = 4,018,557,463.20/55,605.02
  6. Step 6: Final answer
    x = 72,269.69

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1.5x scale

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.