Home / 97,755.48-134,902.58-55,313.16

Finding the Fourth Proportional to 97,755.48, 134,902.58 and 55,313.16

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Solution

The fourth proportional to 97,755.48, 134,902.58 and 55,313.16 is: 76,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,755.48 : 134,902.58 = 55,313.16 : x
  2. Step 2: Convert to fraction form
    97,755.48/134,902.58 = 55,313.16/x
  3. Step 3: Cross multiply
    97,755.48x = 134,902.58 × 55,313.16
  4. Step 4: Simplify right side
    97,755.48x = 7,461,887,991.95
  5. Step 5: Solve for x
    x = 7,461,887,991.95/97,755.48
  6. Step 6: Final answer
    x = 76,332.17

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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.