Home / 60,669.18-83,671.11-39,440.70

Finding the Fourth Proportional to 60,669.18, 83,671.11 and 39,440.70

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Solution

The fourth proportional to 60,669.18, 83,671.11 and 39,440.70 is: 54,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,669.18 : 83,671.11 = 39,440.70 : x
  2. Step 2: Convert to fraction form
    60,669.18/83,671.11 = 39,440.70/x
  3. Step 3: Cross multiply
    60,669.18x = 83,671.11 × 39,440.70
  4. Step 4: Simplify right side
    60,669.18x = 3,300,047,148.18
  5. Step 5: Solve for x
    x = 3,300,047,148.18/60,669.18
  6. Step 6: Final answer
    x = 54,394.13

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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.