Home / 91,349.72-126,055.60-55,534.76

Finding the Fourth Proportional to 91,349.72, 126,055.60 and 55,534.76

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Solution

The fourth proportional to 91,349.72, 126,055.60 and 55,534.76 is: 76,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,349.72 : 126,055.60 = 55,534.76 : x
  2. Step 2: Convert to fraction form
    91,349.72/126,055.60 = 55,534.76/x
  3. Step 3: Cross multiply
    91,349.72x = 126,055.60 × 55,534.76
  4. Step 4: Simplify right side
    91,349.72x = 7,000,467,492.66
  5. Step 5: Solve for x
    x = 7,000,467,492.66/91,349.72
  6. Step 6: Final answer
    x = 76,633.70

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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.