Home / 91,298.34-125,979.15-51,007.08

Finding the Fourth Proportional to 91,298.34, 125,979.15 and 51,007.08

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Solution

The fourth proportional to 91,298.34, 125,979.15 and 51,007.08 is: 70,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,298.34 : 125,979.15 = 51,007.08 : x
  2. Step 2: Convert to fraction form
    91,298.34/125,979.15 = 51,007.08/x
  3. Step 3: Cross multiply
    91,298.34x = 125,979.15 × 51,007.08
  4. Step 4: Simplify right side
    91,298.34x = 6,425,828,582.38
  5. Step 5: Solve for x
    x = 6,425,828,582.38/91,298.34
  6. Step 6: Final answer
    x = 70,382.75

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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.