Home / 58,807.02-81,187.32-38,722.26

Finding the Fourth Proportional to 58,807.02, 81,187.32 and 38,722.26

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Solution

The fourth proportional to 58,807.02, 81,187.32 and 38,722.26 is: 53,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,807.02 : 81,187.32 = 38,722.26 : x
  2. Step 2: Convert to fraction form
    58,807.02/81,187.32 = 38,722.26/x
  3. Step 3: Cross multiply
    58,807.02x = 81,187.32 × 38,722.26
  4. Step 4: Simplify right side
    58,807.02x = 3,143,756,513.74
  5. Step 5: Solve for x
    x = 3,143,756,513.74/58,807.02
  6. Step 6: Final answer
    x = 53,458.86

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1.5x scale

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.