Home / 89,362.18-134,074-56,043.22

Finding the Fourth Proportional to 89,362.18, 134,074 and 56,043.22

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Solution

The fourth proportional to 89,362.18, 134,074 and 56,043.22 is: 84,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,362.18 : 134,074 = 56,043.22 : x
  2. Step 2: Convert to fraction form
    89,362.18/134,074 = 56,043.22/x
  3. Step 3: Cross multiply
    89,362.18x = 134,074 × 56,043.22
  4. Step 4: Simplify right side
    89,362.18x = 7,513,938,678.28
  5. Step 5: Solve for x
    x = 7,513,938,678.28/89,362.18
  6. Step 6: Final answer
    x = 84,084.10

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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.