Home / 92,809.02-128,079.27-54,561.57

Finding the Fourth Proportional to 92,809.02, 128,079.27 and 54,561.57

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Solution

The fourth proportional to 92,809.02, 128,079.27 and 54,561.57 is: 75,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,809.02 : 128,079.27 = 54,561.57 : x
  2. Step 2: Convert to fraction form
    92,809.02/128,079.27 = 54,561.57/x
  3. Step 3: Cross multiply
    92,809.02x = 128,079.27 × 54,561.57
  4. Step 4: Simplify right side
    92,809.02x = 6,988,206,055.65
  5. Step 5: Solve for x
    x = 6,988,206,055.65/92,809.02
  6. Step 6: Final answer
    x = 75,296.63

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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.