Home / 70,532.85-97,337.37-38,703.76

Finding the Fourth Proportional to 70,532.85, 97,337.37 and 38,703.76

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Solution

The fourth proportional to 70,532.85, 97,337.37 and 38,703.76 is: 53,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,532.85 : 97,337.37 = 38,703.76 : x
  2. Step 2: Convert to fraction form
    70,532.85/97,337.37 = 38,703.76/x
  3. Step 3: Cross multiply
    70,532.85x = 97,337.37 × 38,703.76
  4. Step 4: Simplify right side
    70,532.85x = 3,767,322,207.51
  5. Step 5: Solve for x
    x = 3,767,322,207.51/70,532.85
  6. Step 6: Final answer
    x = 53,412.31

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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.