Home / 78,030.44-117,011.10-56,050.28

Finding the Fourth Proportional to 78,030.44, 117,011.10 and 56,050.28

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Solution

The fourth proportional to 78,030.44, 117,011.10 and 56,050.28 is: 84,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,030.44 : 117,011.10 = 56,050.28 : x
  2. Step 2: Convert to fraction form
    78,030.44/117,011.10 = 56,050.28/x
  3. Step 3: Cross multiply
    78,030.44x = 117,011.10 × 56,050.28
  4. Step 4: Simplify right side
    78,030.44x = 6,558,504,918.11
  5. Step 5: Solve for x
    x = 6,558,504,918.11/78,030.44
  6. Step 6: Final answer
    x = 84,050.60

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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.