Home / 76,553.24-105,646.98-42,565.22

Finding the Fourth Proportional to 76,553.24, 105,646.98 and 42,565.22

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Solution

The fourth proportional to 76,553.24, 105,646.98 and 42,565.22 is: 58,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,553.24 : 105,646.98 = 42,565.22 : x
  2. Step 2: Convert to fraction form
    76,553.24/105,646.98 = 42,565.22/x
  3. Step 3: Cross multiply
    76,553.24x = 105,646.98 × 42,565.22
  4. Step 4: Simplify right side
    76,553.24x = 4,496,886,417.80
  5. Step 5: Solve for x
    x = 4,496,886,417.80/76,553.24
  6. Step 6: Final answer
    x = 58,741.95

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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.