Home / 74,443.12-102,733.80-42,622.24

Finding the Fourth Proportional to 74,443.12, 102,733.80 and 42,622.24

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Solution

The fourth proportional to 74,443.12, 102,733.80 and 42,622.24 is: 58,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,443.12 : 102,733.80 = 42,622.24 : x
  2. Step 2: Convert to fraction form
    74,443.12/102,733.80 = 42,622.24/x
  3. Step 3: Cross multiply
    74,443.12x = 102,733.80 × 42,622.24
  4. Step 4: Simplify right side
    74,443.12x = 4,378,744,679.71
  5. Step 5: Solve for x
    x = 4,378,744,679.71/74,443.12
  6. Step 6: Final answer
    x = 58,820.00

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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.