Home / 70,660.16-97,506.43-40,445.72

Finding the Fourth Proportional to 70,660.16, 97,506.43 and 40,445.72

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Solution

The fourth proportional to 70,660.16, 97,506.43 and 40,445.72 is: 55,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.16 : 97,506.43 = 40,445.72 : x
  2. Step 2: Convert to fraction form
    70,660.16/97,506.43 = 40,445.72/x
  3. Step 3: Cross multiply
    70,660.16x = 97,506.43 × 40,445.72
  4. Step 4: Simplify right side
    70,660.16x = 3,943,717,177.33
  5. Step 5: Solve for x
    x = 3,943,717,177.33/70,660.16
  6. Step 6: Final answer
    x = 55,812.46

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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.