Home / 70,528.56-97,335.72-38,703.66

Finding the Fourth Proportional to 70,528.56, 97,335.72 and 38,703.66

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Solution

The fourth proportional to 70,528.56, 97,335.72 and 38,703.66 is: 53,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,528.56 : 97,335.72 = 38,703.66 : x
  2. Step 2: Convert to fraction form
    70,528.56/97,335.72 = 38,703.66/x
  3. Step 3: Cross multiply
    70,528.56x = 97,335.72 × 38,703.66
  4. Step 4: Simplify right side
    70,528.56x = 3,767,248,612.74
  5. Step 5: Solve for x
    x = 3,767,248,612.74/70,528.56
  6. Step 6: Final answer
    x = 53,414.51

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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.