Home / 70,748.51-97,631.34-38,916.73

Finding the Fourth Proportional to 70,748.51, 97,631.34 and 38,916.73

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Solution

The fourth proportional to 70,748.51, 97,631.34 and 38,916.73 is: 53,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,748.51 : 97,631.34 = 38,916.73 : x
  2. Step 2: Convert to fraction form
    70,748.51/97,631.34 = 38,916.73/x
  3. Step 3: Cross multiply
    70,748.51x = 97,631.34 × 38,916.73
  4. Step 4: Simplify right side
    70,748.51x = 3,799,492,498.32
  5. Step 5: Solve for x
    x = 3,799,492,498.32/70,748.51
  6. Step 6: Final answer
    x = 53,704.21

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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.