Home / 74,266.23-102,485.28-42,435.06

Finding the Fourth Proportional to 74,266.23, 102,485.28 and 42,435.06

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Solution

The fourth proportional to 74,266.23, 102,485.28 and 42,435.06 is: 58,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.23 : 102,485.28 = 42,435.06 : x
  2. Step 2: Convert to fraction form
    74,266.23/102,485.28 = 42,435.06/x
  3. Step 3: Cross multiply
    74,266.23x = 102,485.28 × 42,435.06
  4. Step 4: Simplify right side
    74,266.23x = 4,348,969,005.92
  5. Step 5: Solve for x
    x = 4,348,969,005.92/74,266.23
  6. Step 6: Final answer
    x = 58,559.17

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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.