Home / 70,889.24-97,820.40-40,677.04

Finding the Fourth Proportional to 70,889.24, 97,820.40 and 40,677.04

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Solution

The fourth proportional to 70,889.24, 97,820.40 and 40,677.04 is: 56,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,889.24 : 97,820.40 = 40,677.04 : x
  2. Step 2: Convert to fraction form
    70,889.24/97,820.40 = 40,677.04/x
  3. Step 3: Cross multiply
    70,889.24x = 97,820.40 × 40,677.04
  4. Step 4: Simplify right side
    70,889.24x = 3,979,044,323.62
  5. Step 5: Solve for x
    x = 3,979,044,323.62/70,889.24
  6. Step 6: Final answer
    x = 56,130.44

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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.