Home / 99,504.36-137,309.04-56,484.72

Finding the Fourth Proportional to 99,504.36, 137,309.04 and 56,484.72

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Solution

The fourth proportional to 99,504.36, 137,309.04 and 56,484.72 is: 77,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.36 : 137,309.04 = 56,484.72 : x
  2. Step 2: Convert to fraction form
    99,504.36/137,309.04 = 56,484.72/x
  3. Step 3: Cross multiply
    99,504.36x = 137,309.04 × 56,484.72
  4. Step 4: Simplify right side
    99,504.36x = 7,755,862,677.87
  5. Step 5: Solve for x
    x = 7,755,862,677.87/99,504.36
  6. Step 6: Final answer
    x = 77,944.95

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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.