Home / 75,421.37-113,156.63-35,973.35

Finding the Fourth Proportional to 75,421.37, 113,156.63 and 35,973.35

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Solution

The fourth proportional to 75,421.37, 113,156.63 and 35,973.35 is: 53,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,421.37 : 113,156.63 = 35,973.35 : x
  2. Step 2: Convert to fraction form
    75,421.37/113,156.63 = 35,973.35/x
  3. Step 3: Cross multiply
    75,421.37x = 113,156.63 × 35,973.35
  4. Step 4: Simplify right side
    75,421.37x = 4,070,623,055.81
  5. Step 5: Solve for x
    x = 4,070,623,055.81/75,421.37
  6. Step 6: Final answer
    x = 53,971.75

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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.