Home / 67,717.08-101,602.35-20,973.60

Finding the Fourth Proportional to 67,717.08, 101,602.35 and 20,973.60

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Solution

The fourth proportional to 67,717.08, 101,602.35 and 20,973.60 is: 31,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,717.08 : 101,602.35 = 20,973.60 : x
  2. Step 2: Convert to fraction form
    67,717.08/101,602.35 = 20,973.60/x
  3. Step 3: Cross multiply
    67,717.08x = 101,602.35 × 20,973.60
  4. Step 4: Simplify right side
    67,717.08x = 2,130,967,047.96
  5. Step 5: Solve for x
    x = 2,130,967,047.96/67,717.08
  6. Step 6: Final answer
    x = 31,468.68

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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.