Home / 74,895.04-103,361.28-43,074.16

Finding the Fourth Proportional to 74,895.04, 103,361.28 and 43,074.16

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Solution

The fourth proportional to 74,895.04, 103,361.28 and 43,074.16 is: 59,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895.04 : 103,361.28 = 43,074.16 : x
  2. Step 2: Convert to fraction form
    74,895.04/103,361.28 = 43,074.16/x
  3. Step 3: Cross multiply
    74,895.04x = 103,361.28 × 43,074.16
  4. Step 4: Simplify right side
    74,895.04x = 4,452,200,312.52
  5. Step 5: Solve for x
    x = 4,452,200,312.52/74,895.04
  6. Step 6: Final answer
    x = 59,445.86

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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.