Home / 53,923.60-80,834.20-42,070.80

Finding the Fourth Proportional to 53,923.60, 80,834.20 and 42,070.80

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Solution

The fourth proportional to 53,923.60, 80,834.20 and 42,070.80 is: 63,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,923.60 : 80,834.20 = 42,070.80 : x
  2. Step 2: Convert to fraction form
    53,923.60/80,834.20 = 42,070.80/x
  3. Step 3: Cross multiply
    53,923.60x = 80,834.20 × 42,070.80
  4. Step 4: Simplify right side
    53,923.60x = 3,400,759,461.36
  5. Step 5: Solve for x
    x = 3,400,759,461.36/53,923.60
  6. Step 6: Final answer
    x = 63,066.25

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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.