Home / 70,350.32-97,079.69-38,513.08

Finding the Fourth Proportional to 70,350.32, 97,079.69 and 38,513.08

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Solution

The fourth proportional to 70,350.32, 97,079.69 and 38,513.08 is: 53,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.32 : 97,079.69 = 38,513.08 : x
  2. Step 2: Convert to fraction form
    70,350.32/97,079.69 = 38,513.08/x
  3. Step 3: Cross multiply
    70,350.32x = 97,079.69 × 38,513.08
  4. Step 4: Simplify right side
    70,350.32x = 3,738,837,867.35
  5. Step 5: Solve for x
    x = 3,738,837,867.35/70,350.32
  6. Step 6: Final answer
    x = 53,146.00

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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.