Home / 53,415.61-73,712.10-29,543.29

Finding the Fourth Proportional to 53,415.61, 73,712.10 and 29,543.29

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Solution

The fourth proportional to 53,415.61, 73,712.10 and 29,543.29 is: 40,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.61 : 73,712.10 = 29,543.29 : x
  2. Step 2: Convert to fraction form
    53,415.61/73,712.10 = 29,543.29/x
  3. Step 3: Cross multiply
    53,415.61x = 73,712.10 × 29,543.29
  4. Step 4: Simplify right side
    53,415.61x = 2,177,697,946.81
  5. Step 5: Solve for x
    x = 2,177,697,946.81/53,415.61
  6. Step 6: Final answer
    x = 40,768.94

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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.