Home / 78,417.69-117,560.41-34,011.00

Finding the Fourth Proportional to 78,417.69, 117,560.41 and 34,011.00

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Solution

The fourth proportional to 78,417.69, 117,560.41 and 34,011.00 is: 50,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,417.69 : 117,560.41 = 34,011.00 : x
  2. Step 2: Convert to fraction form
    78,417.69/117,560.41 = 34,011.00/x
  3. Step 3: Cross multiply
    78,417.69x = 117,560.41 × 34,011.00
  4. Step 4: Simplify right side
    78,417.69x = 3,998,347,376.11
  5. Step 5: Solve for x
    x = 3,998,347,376.11/78,417.69
  6. Step 6: Final answer
    x = 50,987.82

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1.5x scale

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.