Home / 74,987.10-103,482.27-43,162.20

Finding the Fourth Proportional to 74,987.10, 103,482.27 and 43,162.20

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Solution

The fourth proportional to 74,987.10, 103,482.27 and 43,162.20 is: 59,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987.10 : 103,482.27 = 43,162.20 : x
  2. Step 2: Convert to fraction form
    74,987.10/103,482.27 = 43,162.20/x
  3. Step 3: Cross multiply
    74,987.10x = 103,482.27 × 43,162.20
  4. Step 4: Simplify right side
    74,987.10x = 4,466,522,434.19
  5. Step 5: Solve for x
    x = 4,466,522,434.19/74,987.10
  6. Step 6: Final answer
    x = 59,563.88

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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.