Home / 72,210.40-108,315.60-48,590.80

Finding the Fourth Proportional to 72,210.40, 108,315.60 and 48,590.80

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Solution

The fourth proportional to 72,210.40, 108,315.60 and 48,590.80 is: 72,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,210.40 : 108,315.60 = 48,590.80 : x
  2. Step 2: Convert to fraction form
    72,210.40/108,315.60 = 48,590.80/x
  3. Step 3: Cross multiply
    72,210.40x = 108,315.60 × 48,590.80
  4. Step 4: Simplify right side
    72,210.40x = 5,263,141,656.48
  5. Step 5: Solve for x
    x = 5,263,141,656.48/72,210.40
  6. Step 6: Final answer
    x = 72,886.20

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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.