Home / 92,758.19-128,005.65-50,316.77

Finding the Fourth Proportional to 92,758.19, 128,005.65 and 50,316.77

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Solution

The fourth proportional to 92,758.19, 128,005.65 and 50,316.77 is: 69,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,758.19 : 128,005.65 = 50,316.77 : x
  2. Step 2: Convert to fraction form
    92,758.19/128,005.65 = 50,316.77/x
  3. Step 3: Cross multiply
    92,758.19x = 128,005.65 × 50,316.77
  4. Step 4: Simplify right side
    92,758.19x = 6,440,830,849.75
  5. Step 5: Solve for x
    x = 6,440,830,849.75/92,758.19
  6. Step 6: Final answer
    x = 69,436.79

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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.