Home / 78,316.16-108,027.14-46,462.50

Finding the Fourth Proportional to 78,316.16, 108,027.14 and 46,462.50

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Solution

The fourth proportional to 78,316.16, 108,027.14 and 46,462.50 is: 64,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,316.16 : 108,027.14 = 46,462.50 : x
  2. Step 2: Convert to fraction form
    78,316.16/108,027.14 = 46,462.50/x
  3. Step 3: Cross multiply
    78,316.16x = 108,027.14 × 46,462.50
  4. Step 4: Simplify right side
    78,316.16x = 5,019,210,759.94
  5. Step 5: Solve for x
    x = 5,019,210,759.94/78,316.16
  6. Step 6: Final answer
    x = 64,089.09

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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.