Home / 70,746.10-97,629.18-40,125.04

Finding the Fourth Proportional to 70,746.10, 97,629.18 and 40,125.04

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Solution

The fourth proportional to 70,746.10, 97,629.18 and 40,125.04 is: 55,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.10 : 97,629.18 = 40,125.04 : x
  2. Step 2: Convert to fraction form
    70,746.10/97,629.18 = 40,125.04/x
  3. Step 3: Cross multiply
    70,746.10x = 97,629.18 × 40,125.04
  4. Step 4: Simplify right side
    70,746.10x = 3,917,374,752.67
  5. Step 5: Solve for x
    x = 3,917,374,752.67/70,746.10
  6. Step 6: Final answer
    x = 55,372.31

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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.