Home / 70,569.38-97,388.26-38,740.70

Finding the Fourth Proportional to 70,569.38, 97,388.26 and 38,740.70

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Solution

The fourth proportional to 70,569.38, 97,388.26 and 38,740.70 is: 53,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.38 : 97,388.26 = 38,740.70 : x
  2. Step 2: Convert to fraction form
    70,569.38/97,388.26 = 38,740.70/x
  3. Step 3: Cross multiply
    70,569.38x = 97,388.26 × 38,740.70
  4. Step 4: Simplify right side
    70,569.38x = 3,772,889,364.18
  5. Step 5: Solve for x
    x = 3,772,889,364.18/70,569.38
  6. Step 6: Final answer
    x = 53,463.55

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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.