Home / 70,041.19-96,656.64-38,209.87

Finding the Fourth Proportional to 70,041.19, 96,656.64 and 38,209.87

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Solution

The fourth proportional to 70,041.19, 96,656.64 and 38,209.87 is: 52,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041.19 : 96,656.64 = 38,209.87 : x
  2. Step 2: Convert to fraction form
    70,041.19/96,656.64 = 38,209.87/x
  3. Step 3: Cross multiply
    70,041.19x = 96,656.64 × 38,209.87
  4. Step 4: Simplify right side
    70,041.19x = 3,693,237,649.04
  5. Step 5: Solve for x
    x = 3,693,237,649.04/70,041.19
  6. Step 6: Final answer
    x = 52,729.51

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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.