Home / 89,386.36-123,368.34-51,683.56

Finding the Fourth Proportional to 89,386.36, 123,368.34 and 51,683.56

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Solution

The fourth proportional to 89,386.36, 123,368.34 and 51,683.56 is: 71,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,386.36 : 123,368.34 = 51,683.56 : x
  2. Step 2: Convert to fraction form
    89,386.36/123,368.34 = 51,683.56/x
  3. Step 3: Cross multiply
    89,386.36x = 123,368.34 × 51,683.56
  4. Step 4: Simplify right side
    89,386.36x = 6,376,115,002.49
  5. Step 5: Solve for x
    x = 6,376,115,002.49/89,386.36
  6. Step 6: Final answer
    x = 71,332.08

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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.