Home / 101,581.23-140,184.07-60,787.31

Finding the Fourth Proportional to 101,581.23, 140,184.07 and 60,787.31

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Solution

The fourth proportional to 101,581.23, 140,184.07 and 60,787.31 is: 83,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,581.23 : 140,184.07 = 60,787.31 : x
  2. Step 2: Convert to fraction form
    101,581.23/140,184.07 = 60,787.31/x
  3. Step 3: Cross multiply
    101,581.23x = 140,184.07 × 60,787.31
  4. Step 4: Simplify right side
    101,581.23x = 8,521,411,667.26
  5. Step 5: Solve for x
    x = 8,521,411,667.26/101,581.23
  6. Step 6: Final answer
    x = 83,887.66

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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.