Home / 58,435.20-80,648.01-38,309.04

Finding the Fourth Proportional to 58,435.20, 80,648.01 and 38,309.04

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Solution

The fourth proportional to 58,435.20, 80,648.01 and 38,309.04 is: 52,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,435.20 : 80,648.01 = 38,309.04 : x
  2. Step 2: Convert to fraction form
    58,435.20/80,648.01 = 38,309.04/x
  3. Step 3: Cross multiply
    58,435.20x = 80,648.01 × 38,309.04
  4. Step 4: Simplify right side
    58,435.20x = 3,089,547,841.01
  5. Step 5: Solve for x
    x = 3,089,547,841.01/58,435.20
  6. Step 6: Final answer
    x = 52,871.35

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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.