Home / 78,501.78-108,330.08-44,513.37

Finding the Fourth Proportional to 78,501.78, 108,330.08 and 44,513.37

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Solution

The fourth proportional to 78,501.78, 108,330.08 and 44,513.37 is: 61,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,501.78 : 108,330.08 = 44,513.37 : x
  2. Step 2: Convert to fraction form
    78,501.78/108,330.08 = 44,513.37/x
  3. Step 3: Cross multiply
    78,501.78x = 108,330.08 × 44,513.37
  4. Step 4: Simplify right side
    78,501.78x = 4,822,136,710.60
  5. Step 5: Solve for x
    x = 4,822,136,710.60/78,501.78
  6. Step 6: Final answer
    x = 61,427.10

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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.