Home / 70,748.04-97,630.24-38,916.94

Finding the Fourth Proportional to 70,748.04, 97,630.24 and 38,916.94

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Solution

The fourth proportional to 70,748.04, 97,630.24 and 38,916.94 is: 53,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,748.04 : 97,630.24 = 38,916.94 : x
  2. Step 2: Convert to fraction form
    70,748.04/97,630.24 = 38,916.94/x
  3. Step 3: Cross multiply
    70,748.04x = 97,630.24 × 38,916.94
  4. Step 4: Simplify right side
    70,748.04x = 3,799,470,192.27
  5. Step 5: Solve for x
    x = 3,799,470,192.27/70,748.04
  6. Step 6: Final answer
    x = 53,704.25

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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.