Home / 67,430.02-101,113.56-20,027.68

Finding the Fourth Proportional to 67,430.02, 101,113.56 and 20,027.68

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Solution

The fourth proportional to 67,430.02, 101,113.56 and 20,027.68 is: 30,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.02 : 101,113.56 = 20,027.68 : x
  2. Step 2: Convert to fraction form
    67,430.02/101,113.56 = 20,027.68/x
  3. Step 3: Cross multiply
    67,430.02x = 101,113.56 × 20,027.68
  4. Step 4: Simplify right side
    67,430.02x = 2,025,070,023.34
  5. Step 5: Solve for x
    x = 2,025,070,023.34/67,430.02
  6. Step 6: Final answer
    x = 30,032.17

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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.