Home / 70,318.81-97,039.60-38,053.40

Finding the Fourth Proportional to 70,318.81, 97,039.60 and 38,053.40

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Solution

The fourth proportional to 70,318.81, 97,039.60 and 38,053.40 is: 52,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.81 : 97,039.60 = 38,053.40 : x
  2. Step 2: Convert to fraction form
    70,318.81/97,039.60 = 38,053.40/x
  3. Step 3: Cross multiply
    70,318.81x = 97,039.60 × 38,053.40
  4. Step 4: Simplify right side
    70,318.81x = 3,692,686,714.64
  5. Step 5: Solve for x
    x = 3,692,686,714.64/70,318.81
  6. Step 6: Final answer
    x = 52,513.50

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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.