Home / 70,345.71-97,076.45-38,080.17

Finding the Fourth Proportional to 70,345.71, 97,076.45 and 38,080.17

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Solution

The fourth proportional to 70,345.71, 97,076.45 and 38,080.17 is: 52,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,345.71 : 97,076.45 = 38,080.17 : x
  2. Step 2: Convert to fraction form
    70,345.71/97,076.45 = 38,080.17/x
  3. Step 3: Cross multiply
    70,345.71x = 97,076.45 × 38,080.17
  4. Step 4: Simplify right side
    70,345.71x = 3,696,687,528.60
  5. Step 5: Solve for x
    x = 3,696,687,528.60/70,345.71
  6. Step 6: Final answer
    x = 52,550.29

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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.