Home / 89,557.36-123,590.16-51,316.14

Finding the Fourth Proportional to 89,557.36, 123,590.16 and 51,316.14

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Solution

The fourth proportional to 89,557.36, 123,590.16 and 51,316.14 is: 70,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,557.36 : 123,590.16 = 51,316.14 : x
  2. Step 2: Convert to fraction form
    89,557.36/123,590.16 = 51,316.14/x
  3. Step 3: Cross multiply
    89,557.36x = 123,590.16 × 51,316.14
  4. Step 4: Simplify right side
    89,557.36x = 6,342,169,953.18
  5. Step 5: Solve for x
    x = 6,342,169,953.18/89,557.36
  6. Step 6: Final answer
    x = 70,816.85

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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.