Home / 70,329.72-97,055.10-38,500.62

Finding the Fourth Proportional to 70,329.72, 97,055.10 and 38,500.62

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Solution

The fourth proportional to 70,329.72, 97,055.10 and 38,500.62 is: 53,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.72 : 97,055.10 = 38,500.62 : x
  2. Step 2: Convert to fraction form
    70,329.72/97,055.10 = 38,500.62/x
  3. Step 3: Cross multiply
    70,329.72x = 97,055.10 × 38,500.62
  4. Step 4: Simplify right side
    70,329.72x = 3,736,681,524.16
  5. Step 5: Solve for x
    x = 3,736,681,524.16/70,329.72
  6. Step 6: Final answer
    x = 53,130.90

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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.