Home / 55,130.24-76,122.57-42,363.29

Finding the Fourth Proportional to 55,130.24, 76,122.57 and 42,363.29

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Solution

The fourth proportional to 55,130.24, 76,122.57 and 42,363.29 is: 58,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.24 : 76,122.57 = 42,363.29 : x
  2. Step 2: Convert to fraction form
    55,130.24/76,122.57 = 42,363.29/x
  3. Step 3: Cross multiply
    55,130.24x = 76,122.57 × 42,363.29
  4. Step 4: Simplify right side
    55,130.24x = 3,224,802,127.84
  5. Step 5: Solve for x
    x = 3,224,802,127.84/55,130.24
  6. Step 6: Final answer
    x = 58,494.26

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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.