Home / 58,430.58-80,612.42-39,280.01

Finding the Fourth Proportional to 58,430.58, 80,612.42 and 39,280.01

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Solution

The fourth proportional to 58,430.58, 80,612.42 and 39,280.01 is: 54,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,430.58 : 80,612.42 = 39,280.01 : x
  2. Step 2: Convert to fraction form
    58,430.58/80,612.42 = 39,280.01/x
  3. Step 3: Cross multiply
    58,430.58x = 80,612.42 × 39,280.01
  4. Step 4: Simplify right side
    58,430.58x = 3,166,456,064.26
  5. Step 5: Solve for x
    x = 3,166,456,064.26/58,430.58
  6. Step 6: Final answer
    x = 54,191.76

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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.