Home / 91,337.12-126,051.60-51,058.72

Finding the Fourth Proportional to 91,337.12, 126,051.60 and 51,058.72

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Solution

The fourth proportional to 91,337.12, 126,051.60 and 51,058.72 is: 70,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,337.12 : 126,051.60 = 51,058.72 : x
  2. Step 2: Convert to fraction form
    91,337.12/126,051.60 = 51,058.72/x
  3. Step 3: Cross multiply
    91,337.12x = 126,051.60 × 51,058.72
  4. Step 4: Simplify right side
    91,337.12x = 6,436,033,349.95
  5. Step 5: Solve for x
    x = 6,436,033,349.95/91,337.12
  6. Step 6: Final answer
    x = 70,464.60

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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.