Home / 70,421.39-97,274.68-52,485.25

Finding the Fourth Proportional to 70,421.39, 97,274.68 and 52,485.25

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Solution

The fourth proportional to 70,421.39, 97,274.68 and 52,485.25 is: 72,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.39 : 97,274.68 = 52,485.25 : x
  2. Step 2: Convert to fraction form
    70,421.39/97,274.68 = 52,485.25/x
  3. Step 3: Cross multiply
    70,421.39x = 97,274.68 × 52,485.25
  4. Step 4: Simplify right side
    70,421.39x = 5,105,485,888.85
  5. Step 5: Solve for x
    x = 5,105,485,888.85/70,421.39
  6. Step 6: Final answer
    x = 72,499.08

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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.