Home / 42,128.20-62,808.95-37,395.01

Finding the Fourth Proportional to 42,128.20, 62,808.95 and 37,395.01

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Solution

The fourth proportional to 42,128.20, 62,808.95 and 37,395.01 is: 55,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128.20 : 62,808.95 = 37,395.01 : x
  2. Step 2: Convert to fraction form
    42,128.20/62,808.95 = 37,395.01/x
  3. Step 3: Cross multiply
    42,128.20x = 62,808.95 × 37,395.01
  4. Step 4: Simplify right side
    42,128.20x = 2,348,741,313.34
  5. Step 5: Solve for x
    x = 2,348,741,313.34/42,128.20
  6. Step 6: Final answer
    x = 55,752.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.