Home / 53,220-73,444.14-31,999.62

Finding the Fourth Proportional to 53,220, 73,444.14 and 31,999.62

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Solution

The fourth proportional to 53,220, 73,444.14 and 31,999.62 is: 44,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220 : 73,444.14 = 31,999.62 : x
  2. Step 2: Convert to fraction form
    53,220/73,444.14 = 31,999.62/x
  3. Step 3: Cross multiply
    53,220x = 73,444.14 × 31,999.62
  4. Step 4: Simplify right side
    53,220x = 2,350,184,571.23
  5. Step 5: Solve for x
    x = 2,350,184,571.23/53,220
  6. Step 6: Final answer
    x = 44,159.80

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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.