Home / 70,537.64-97,338.60-38,705.84

Finding the Fourth Proportional to 70,537.64, 97,338.60 and 38,705.84

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Solution

The fourth proportional to 70,537.64, 97,338.60 and 38,705.84 is: 53,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,537.64 : 97,338.60 = 38,705.84 : x
  2. Step 2: Convert to fraction form
    70,537.64/97,338.60 = 38,705.84/x
  3. Step 3: Cross multiply
    70,537.64x = 97,338.60 × 38,705.84
  4. Step 4: Simplify right side
    70,537.64x = 3,767,572,277.42
  5. Step 5: Solve for x
    x = 3,767,572,277.42/70,537.64
  6. Step 6: Final answer
    x = 53,412.22

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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.