Home / 55,780.18-76,950.88-33,106.30

Finding the Fourth Proportional to 55,780.18, 76,950.88 and 33,106.30

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Solution

The fourth proportional to 55,780.18, 76,950.88 and 33,106.30 is: 45,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.18 : 76,950.88 = 33,106.30 : x
  2. Step 2: Convert to fraction form
    55,780.18/76,950.88 = 33,106.30/x
  3. Step 3: Cross multiply
    55,780.18x = 76,950.88 × 33,106.30
  4. Step 4: Simplify right side
    55,780.18x = 2,547,558,643.40
  5. Step 5: Solve for x
    x = 2,547,558,643.40/55,780.18
  6. Step 6: Final answer
    x = 45,671.40

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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.