Home / 91,585.05-126,383.63-51,298.17

Finding the Fourth Proportional to 91,585.05, 126,383.63 and 51,298.17

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Solution

The fourth proportional to 91,585.05, 126,383.63 and 51,298.17 is: 70,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,585.05 : 126,383.63 = 51,298.17 : x
  2. Step 2: Convert to fraction form
    91,585.05/126,383.63 = 51,298.17/x
  3. Step 3: Cross multiply
    91,585.05x = 126,383.63 × 51,298.17
  4. Step 4: Simplify right side
    91,585.05x = 6,483,248,680.47
  5. Step 5: Solve for x
    x = 6,483,248,680.47/91,585.05
  6. Step 6: Final answer
    x = 70,789.38

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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.