Home / 70,372.36-97,113.92-38,106.88

Finding the Fourth Proportional to 70,372.36, 97,113.92 and 38,106.88

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Solution

The fourth proportional to 70,372.36, 97,113.92 and 38,106.88 is: 52,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,372.36 : 97,113.92 = 38,106.88 : x
  2. Step 2: Convert to fraction form
    70,372.36/97,113.92 = 38,106.88/x
  3. Step 3: Cross multiply
    70,372.36x = 97,113.92 × 38,106.88
  4. Step 4: Simplify right side
    70,372.36x = 3,700,708,495.77
  5. Step 5: Solve for x
    x = 3,700,708,495.77/70,372.36
  6. Step 6: Final answer
    x = 52,587.53

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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.