Home / 62,420.15-86,118.73-35,543.61

Finding the Fourth Proportional to 62,420.15, 86,118.73 and 35,543.61

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Solution

The fourth proportional to 62,420.15, 86,118.73 and 35,543.61 is: 49,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.15 : 86,118.73 = 35,543.61 : x
  2. Step 2: Convert to fraction form
    62,420.15/86,118.73 = 35,543.61/x
  3. Step 3: Cross multiply
    62,420.15x = 86,118.73 × 35,543.61
  4. Step 4: Simplify right side
    62,420.15x = 3,060,970,463.96
  5. Step 5: Solve for x
    x = 3,060,970,463.96/62,420.15
  6. Step 6: Final answer
    x = 49,038.18

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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.