Home / 70,386.73-97,132.70-38,555.84

Finding the Fourth Proportional to 70,386.73, 97,132.70 and 38,555.84

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Solution

The fourth proportional to 70,386.73, 97,132.70 and 38,555.84 is: 53,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,386.73 : 97,132.70 = 38,555.84 : x
  2. Step 2: Convert to fraction form
    70,386.73/97,132.70 = 38,555.84/x
  3. Step 3: Cross multiply
    70,386.73x = 97,132.70 × 38,555.84
  4. Step 4: Simplify right side
    70,386.73x = 3,745,033,179.19
  5. Step 5: Solve for x
    x = 3,745,033,179.19/70,386.73
  6. Step 6: Final answer
    x = 53,206.53

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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.