Home / 70,748.44-97,632.32-38,916.66

Finding the Fourth Proportional to 70,748.44, 97,632.32 and 38,916.66

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Solution

The fourth proportional to 70,748.44, 97,632.32 and 38,916.66 is: 53,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,748.44 : 97,632.32 = 38,916.66 : x
  2. Step 2: Convert to fraction form
    70,748.44/97,632.32 = 38,916.66/x
  3. Step 3: Cross multiply
    70,748.44x = 97,632.32 × 38,916.66
  4. Step 4: Simplify right side
    70,748.44x = 3,799,523,802.45
  5. Step 5: Solve for x
    x = 3,799,523,802.45/70,748.44
  6. Step 6: Final answer
    x = 53,704.70

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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.