Home / 78,350.70-117,526.05-47,246.70

Finding the Fourth Proportional to 78,350.70, 117,526.05 and 47,246.70

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Solution

The fourth proportional to 78,350.70, 117,526.05 and 47,246.70 is: 70,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,350.70 : 117,526.05 = 47,246.70 : x
  2. Step 2: Convert to fraction form
    78,350.70/117,526.05 = 47,246.70/x
  3. Step 3: Cross multiply
    78,350.70x = 117,526.05 × 47,246.70
  4. Step 4: Simplify right side
    78,350.70x = 5,552,718,026.54
  5. Step 5: Solve for x
    x = 5,552,718,026.54/78,350.70
  6. Step 6: Final answer
    x = 70,870.05

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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.