Home / 90,613.04-125,055.90-51,854.45

Finding the Fourth Proportional to 90,613.04, 125,055.90 and 51,854.45

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Solution

The fourth proportional to 90,613.04, 125,055.90 and 51,854.45 is: 71,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,613.04 : 125,055.90 = 51,854.45 : x
  2. Step 2: Convert to fraction form
    90,613.04/125,055.90 = 51,854.45/x
  3. Step 3: Cross multiply
    90,613.04x = 125,055.90 × 51,854.45
  4. Step 4: Simplify right side
    90,613.04x = 6,484,704,288.48
  5. Step 5: Solve for x
    x = 6,484,704,288.48/90,613.04
  6. Step 6: Final answer
    x = 71,564.81

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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.