Home / 97,085.12-145,628.48-30,523.68

Finding the Fourth Proportional to 97,085.12, 145,628.48 and 30,523.68

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Solution

The fourth proportional to 97,085.12, 145,628.48 and 30,523.68 is: 45,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,085.12 : 145,628.48 = 30,523.68 : x
  2. Step 2: Convert to fraction form
    97,085.12/145,628.48 = 30,523.68/x
  3. Step 3: Cross multiply
    97,085.12x = 145,628.48 × 30,523.68
  4. Step 4: Simplify right side
    97,085.12x = 4,445,117,122.41
  5. Step 5: Solve for x
    x = 4,445,117,122.41/97,085.12
  6. Step 6: Final answer
    x = 45,785.77

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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.