Home / 70,754.13-97,643.30-38,925.45

Finding the Fourth Proportional to 70,754.13, 97,643.30 and 38,925.45

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Solution

The fourth proportional to 70,754.13, 97,643.30 and 38,925.45 is: 53,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,754.13 : 97,643.30 = 38,925.45 : x
  2. Step 2: Convert to fraction form
    70,754.13/97,643.30 = 38,925.45/x
  3. Step 3: Cross multiply
    70,754.13x = 97,643.30 × 38,925.45
  4. Step 4: Simplify right side
    70,754.13x = 3,800,809,197.36
  5. Step 5: Solve for x
    x = 3,800,809,197.36/70,754.13
  6. Step 6: Final answer
    x = 53,718.55

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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.