Home / 55,852.50-77,076.45-31,987.08

Finding the Fourth Proportional to 55,852.50, 77,076.45 and 31,987.08

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Solution

The fourth proportional to 55,852.50, 77,076.45 and 31,987.08 is: 44,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,852.50 : 77,076.45 = 31,987.08 : x
  2. Step 2: Convert to fraction form
    55,852.50/77,076.45 = 31,987.08/x
  3. Step 3: Cross multiply
    55,852.50x = 77,076.45 × 31,987.08
  4. Step 4: Simplify right side
    55,852.50x = 2,465,450,572.27
  5. Step 5: Solve for x
    x = 2,465,450,572.27/55,852.50
  6. Step 6: Final answer
    x = 44,142.17

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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.