Home / 98,755.39-136,281.85-56,313.01

Finding the Fourth Proportional to 98,755.39, 136,281.85 and 56,313.01

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Solution

The fourth proportional to 98,755.39, 136,281.85 and 56,313.01 is: 77,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,755.39 : 136,281.85 = 56,313.01 : x
  2. Step 2: Convert to fraction form
    98,755.39/136,281.85 = 56,313.01/x
  3. Step 3: Cross multiply
    98,755.39x = 136,281.85 × 56,313.01
  4. Step 4: Simplify right side
    98,755.39x = 7,674,441,181.87
  5. Step 5: Solve for x
    x = 7,674,441,181.87/98,755.39
  6. Step 6: Final answer
    x = 77,711.62

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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.