Home / 55,050.12-75,970.58-31,176.45

Finding the Fourth Proportional to 55,050.12, 75,970.58 and 31,176.45

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Solution

The fourth proportional to 55,050.12, 75,970.58 and 31,176.45 is: 43,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.12 : 75,970.58 = 31,176.45 : x
  2. Step 2: Convert to fraction form
    55,050.12/75,970.58 = 31,176.45/x
  3. Step 3: Cross multiply
    55,050.12x = 75,970.58 × 31,176.45
  4. Step 4: Simplify right side
    55,050.12x = 2,368,492,832.96
  5. Step 5: Solve for x
    x = 2,368,492,832.96/55,050.12
  6. Step 6: Final answer
    x = 43,024.30

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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.