Home / 70,378.08-97,124.64-38,549.76

Finding the Fourth Proportional to 70,378.08, 97,124.64 and 38,549.76

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Solution

The fourth proportional to 70,378.08, 97,124.64 and 38,549.76 is: 53,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.08 : 97,124.64 = 38,549.76 : x
  2. Step 2: Convert to fraction form
    70,378.08/97,124.64 = 38,549.76/x
  3. Step 3: Cross multiply
    70,378.08x = 97,124.64 × 38,549.76
  4. Step 4: Simplify right side
    70,378.08x = 3,744,131,562.09
  5. Step 5: Solve for x
    x = 3,744,131,562.09/70,378.08
  6. Step 6: Final answer
    x = 53,200.25

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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.