Home / 97,777.77-134,923.73-57,501.42

Finding the Fourth Proportional to 97,777.77, 134,923.73 and 57,501.42

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Solution

The fourth proportional to 97,777.77, 134,923.73 and 57,501.42 is: 79,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.77 : 134,923.73 = 57,501.42 : x
  2. Step 2: Convert to fraction form
    97,777.77/134,923.73 = 57,501.42/x
  3. Step 3: Cross multiply
    97,777.77x = 134,923.73 × 57,501.42
  4. Step 4: Simplify right side
    97,777.77x = 7,758,305,779.19
  5. Step 5: Solve for x
    x = 7,758,305,779.19/97,777.77
  6. Step 6: Final answer
    x = 79,346.32

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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.