Home / 80,457.98-111,030.33-44,647.70

Finding the Fourth Proportional to 80,457.98, 111,030.33 and 44,647.70

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Solution

The fourth proportional to 80,457.98, 111,030.33 and 44,647.70 is: 61,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457.98 : 111,030.33 = 44,647.70 : x
  2. Step 2: Convert to fraction form
    80,457.98/111,030.33 = 44,647.70/x
  3. Step 3: Cross multiply
    80,457.98x = 111,030.33 × 44,647.70
  4. Step 4: Simplify right side
    80,457.98x = 4,957,248,864.74
  5. Step 5: Solve for x
    x = 4,957,248,864.74/80,457.98
  6. Step 6: Final answer
    x = 61,612.89

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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.