Home / 97,178.47-145,767.70-37,972.60

Finding the Fourth Proportional to 97,178.47, 145,767.70 and 37,972.60

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Solution

The fourth proportional to 97,178.47, 145,767.70 and 37,972.60 is: 56,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,178.47 : 145,767.70 = 37,972.60 : x
  2. Step 2: Convert to fraction form
    97,178.47/145,767.70 = 37,972.60/x
  3. Step 3: Cross multiply
    97,178.47x = 145,767.70 × 37,972.60
  4. Step 4: Simplify right side
    97,178.47x = 5,535,178,248.07
  5. Step 5: Solve for x
    x = 5,535,178,248.07/97,178.47
  6. Step 6: Final answer
    x = 56,958.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.