Home / 105,486.53-145,572.31-60,166.80

Finding the Fourth Proportional to 105,486.53, 145,572.31 and 60,166.80

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Solution

The fourth proportional to 105,486.53, 145,572.31 and 60,166.80 is: 83,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,486.53 : 145,572.31 = 60,166.80 : x
  2. Step 2: Convert to fraction form
    105,486.53/145,572.31 = 60,166.80/x
  3. Step 3: Cross multiply
    105,486.53x = 145,572.31 × 60,166.80
  4. Step 4: Simplify right side
    105,486.53x = 8,758,620,061.31
  5. Step 5: Solve for x
    x = 8,758,620,061.31/105,486.53
  6. Step 6: Final answer
    x = 83,030.70

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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.