Home / 78,353.28-108,112.32-46,532.16

Finding the Fourth Proportional to 78,353.28, 108,112.32 and 46,532.16

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Solution

The fourth proportional to 78,353.28, 108,112.32 and 46,532.16 is: 64,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,353.28 : 108,112.32 = 46,532.16 : x
  2. Step 2: Convert to fraction form
    78,353.28/108,112.32 = 46,532.16/x
  3. Step 3: Cross multiply
    78,353.28x = 108,112.32 × 46,532.16
  4. Step 4: Simplify right side
    78,353.28x = 5,030,699,772.21
  5. Step 5: Solve for x
    x = 5,030,699,772.21/78,353.28
  6. Step 6: Final answer
    x = 64,205.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.