Home / 52,581.25-78,490.58-48,678.81

Finding the Fourth Proportional to 52,581.25, 78,490.58 and 48,678.81

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Solution

The fourth proportional to 52,581.25, 78,490.58 and 48,678.81 is: 72,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.25 : 78,490.58 = 48,678.81 : x
  2. Step 2: Convert to fraction form
    52,581.25/78,490.58 = 48,678.81/x
  3. Step 3: Cross multiply
    52,581.25x = 78,490.58 × 48,678.81
  4. Step 4: Simplify right side
    52,581.25x = 3,820,828,030.61
  5. Step 5: Solve for x
    x = 3,820,828,030.61/52,581.25
  6. Step 6: Final answer
    x = 72,665.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.