Home / 91,944.36-126,897-56,154.96

Finding the Fourth Proportional to 91,944.36, 126,897 and 56,154.96

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Solution

The fourth proportional to 91,944.36, 126,897 and 56,154.96 is: 77,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,944.36 : 126,897 = 56,154.96 : x
  2. Step 2: Convert to fraction form
    91,944.36/126,897 = 56,154.96/x
  3. Step 3: Cross multiply
    91,944.36x = 126,897 × 56,154.96
  4. Step 4: Simplify right side
    91,944.36x = 7,125,895,959.12
  5. Step 5: Solve for x
    x = 7,125,895,959.12/91,944.36
  6. Step 6: Final answer
    x = 77,502.26

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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.