Home / 74,551.19-102,857.04-42,280.18

Finding the Fourth Proportional to 74,551.19, 102,857.04 and 42,280.18

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Solution

The fourth proportional to 74,551.19, 102,857.04 and 42,280.18 is: 58,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,551.19 : 102,857.04 = 42,280.18 : x
  2. Step 2: Convert to fraction form
    74,551.19/102,857.04 = 42,280.18/x
  3. Step 3: Cross multiply
    74,551.19x = 102,857.04 × 42,280.18
  4. Step 4: Simplify right side
    74,551.19x = 4,348,813,908.32
  5. Step 5: Solve for x
    x = 4,348,813,908.32/74,551.19
  6. Step 6: Final answer
    x = 58,333.26

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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.