Home / 52,088.63-78,116.81-18,804.38

Finding the Fourth Proportional to 52,088.63, 78,116.81 and 18,804.38

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Solution

The fourth proportional to 52,088.63, 78,116.81 and 18,804.38 is: 28,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,088.63 : 78,116.81 = 18,804.38 : x
  2. Step 2: Convert to fraction form
    52,088.63/78,116.81 = 18,804.38/x
  3. Step 3: Cross multiply
    52,088.63x = 78,116.81 × 18,804.38
  4. Step 4: Simplify right side
    52,088.63x = 1,468,937,695.02
  5. Step 5: Solve for x
    x = 1,468,937,695.02/52,088.63
  6. Step 6: Final answer
    x = 28,200.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.