Home / 101,732.01-140,356.56-61,430.46

Finding the Fourth Proportional to 101,732.01, 140,356.56 and 61,430.46

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Solution

The fourth proportional to 101,732.01, 140,356.56 and 61,430.46 is: 84,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,732.01 : 140,356.56 = 61,430.46 : x
  2. Step 2: Convert to fraction form
    101,732.01/140,356.56 = 61,430.46/x
  3. Step 3: Cross multiply
    101,732.01x = 140,356.56 × 61,430.46
  4. Step 4: Simplify right side
    101,732.01x = 8,622,168,044.82
  5. Step 5: Solve for x
    x = 8,622,168,044.82/101,732.01
  6. Step 6: Final answer
    x = 84,753.74

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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.