Home / 92,917.48-128,246.49-61,089.34

Finding the Fourth Proportional to 92,917.48, 128,246.49 and 61,089.34

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Solution

The fourth proportional to 92,917.48, 128,246.49 and 61,089.34 is: 84,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.48 : 128,246.49 = 61,089.34 : x
  2. Step 2: Convert to fraction form
    92,917.48/128,246.49 = 61,089.34/x
  3. Step 3: Cross multiply
    92,917.48x = 128,246.49 × 61,089.34
  4. Step 4: Simplify right side
    92,917.48x = 7,834,493,431.42
  5. Step 5: Solve for x
    x = 7,834,493,431.42/92,917.48
  6. Step 6: Final answer
    x = 84,316.68

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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.