Home / 70,280.18-105,434.38-25,907.16

Finding the Fourth Proportional to 70,280.18, 105,434.38 and 25,907.16

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Solution

The fourth proportional to 70,280.18, 105,434.38 and 25,907.16 is: 38,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.18 : 105,434.38 = 25,907.16 : x
  2. Step 2: Convert to fraction form
    70,280.18/105,434.38 = 25,907.16/x
  3. Step 3: Cross multiply
    70,280.18x = 105,434.38 × 25,907.16
  4. Step 4: Simplify right side
    70,280.18x = 2,731,505,352.16
  5. Step 5: Solve for x
    x = 2,731,505,352.16/70,280.18
  6. Step 6: Final answer
    x = 38,865.94

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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.