Home / 74,027.10-111,127.05-42,462.30

Finding the Fourth Proportional to 74,027.10, 111,127.05 and 42,462.30

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Solution

The fourth proportional to 74,027.10, 111,127.05 and 42,462.30 is: 63,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027.10 : 111,127.05 = 42,462.30 : x
  2. Step 2: Convert to fraction form
    74,027.10/111,127.05 = 42,462.30/x
  3. Step 3: Cross multiply
    74,027.10x = 111,127.05 × 42,462.30
  4. Step 4: Simplify right side
    74,027.10x = 4,718,710,135.22
  5. Step 5: Solve for x
    x = 4,718,710,135.22/74,027.10
  6. Step 6: Final answer
    x = 63,743.01

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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.