Home / 78,417.83-117,560.63-34,011.15

Finding the Fourth Proportional to 78,417.83, 117,560.63 and 34,011.15

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Solution

The fourth proportional to 78,417.83, 117,560.63 and 34,011.15 is: 50,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,417.83 : 117,560.63 = 34,011.15 : x
  2. Step 2: Convert to fraction form
    78,417.83/117,560.63 = 34,011.15/x
  3. Step 3: Cross multiply
    78,417.83x = 117,560.63 × 34,011.15
  4. Step 4: Simplify right side
    78,417.83x = 3,998,372,050.97
  5. Step 5: Solve for x
    x = 3,998,372,050.97/78,417.83
  6. Step 6: Final answer
    x = 50,988.05

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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.