Home / 78,499.06-108,290.60-46,645.40

Finding the Fourth Proportional to 78,499.06, 108,290.60 and 46,645.40

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Solution

The fourth proportional to 78,499.06, 108,290.60 and 46,645.40 is: 64,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,499.06 : 108,290.60 = 46,645.40 : x
  2. Step 2: Convert to fraction form
    78,499.06/108,290.60 = 46,645.40/x
  3. Step 3: Cross multiply
    78,499.06x = 108,290.60 × 46,645.40
  4. Step 4: Simplify right side
    78,499.06x = 5,051,258,353.24
  5. Step 5: Solve for x
    x = 5,051,258,353.24/78,499.06
  6. Step 6: Final answer
    x = 64,348.01

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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.