Home / 74,748.32-103,148.16-42,914.24

Finding the Fourth Proportional to 74,748.32, 103,148.16 and 42,914.24

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Solution

The fourth proportional to 74,748.32, 103,148.16 and 42,914.24 is: 59,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.32 : 103,148.16 = 42,914.24 : x
  2. Step 2: Convert to fraction form
    74,748.32/103,148.16 = 42,914.24/x
  3. Step 3: Cross multiply
    74,748.32x = 103,148.16 × 42,914.24
  4. Step 4: Simplify right side
    74,748.32x = 4,426,524,893.80
  5. Step 5: Solve for x
    x = 4,426,524,893.80/74,748.32
  6. Step 6: Final answer
    x = 59,219.06

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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.