Home / 70,742.63-97,626.39-38,913.14

Finding the Fourth Proportional to 70,742.63, 97,626.39 and 38,913.14

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Solution

The fourth proportional to 70,742.63, 97,626.39 and 38,913.14 is: 53,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,742.63 : 97,626.39 = 38,913.14 : x
  2. Step 2: Convert to fraction form
    70,742.63/97,626.39 = 38,913.14/x
  3. Step 3: Cross multiply
    70,742.63x = 97,626.39 × 38,913.14
  4. Step 4: Simplify right side
    70,742.63x = 3,798,949,381.76
  5. Step 5: Solve for x
    x = 3,798,949,381.76/70,742.63
  6. Step 6: Final answer
    x = 53,700.99

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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.