Home / 90,830.40-125,326.08-53,087.36

Finding the Fourth Proportional to 90,830.40, 125,326.08 and 53,087.36

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Solution

The fourth proportional to 90,830.40, 125,326.08 and 53,087.36 is: 73,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,830.40 : 125,326.08 = 53,087.36 : x
  2. Step 2: Convert to fraction form
    90,830.40/125,326.08 = 53,087.36/x
  3. Step 3: Cross multiply
    90,830.40x = 125,326.08 × 53,087.36
  4. Step 4: Simplify right side
    90,830.40x = 6,653,230,726.35
  5. Step 5: Solve for x
    x = 6,653,230,726.35/90,830.40
  6. Step 6: Final answer
    x = 73,248.94

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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.