Home / 53,409.36-79,615.58-52,598.35

Finding the Fourth Proportional to 53,409.36, 79,615.58 and 52,598.35

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Solution

The fourth proportional to 53,409.36, 79,615.58 and 52,598.35 is: 78,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.36 : 79,615.58 = 52,598.35 : x
  2. Step 2: Convert to fraction form
    53,409.36/79,615.58 = 52,598.35/x
  3. Step 3: Cross multiply
    53,409.36x = 79,615.58 × 52,598.35
  4. Step 4: Simplify right side
    53,409.36x = 4,187,648,142.29
  5. Step 5: Solve for x
    x = 4,187,648,142.29/53,409.36
  6. Step 6: Final answer
    x = 78,406.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.