Home / 70,639.28-97,482.26-38,810.24

Finding the Fourth Proportional to 70,639.28, 97,482.26 and 38,810.24

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Solution

The fourth proportional to 70,639.28, 97,482.26 and 38,810.24 is: 53,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,639.28 : 97,482.26 = 38,810.24 : x
  2. Step 2: Convert to fraction form
    70,639.28/97,482.26 = 38,810.24/x
  3. Step 3: Cross multiply
    70,639.28x = 97,482.26 × 38,810.24
  4. Step 4: Simplify right side
    70,639.28x = 3,783,309,906.34
  5. Step 5: Solve for x
    x = 3,783,309,906.34/70,639.28
  6. Step 6: Final answer
    x = 53,558.16

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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.