Home / 58,078.02-80,151.18-34,220.61

Finding the Fourth Proportional to 58,078.02, 80,151.18 and 34,220.61

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Solution

The fourth proportional to 58,078.02, 80,151.18 and 34,220.61 is: 47,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,078.02 : 80,151.18 = 34,220.61 : x
  2. Step 2: Convert to fraction form
    58,078.02/80,151.18 = 34,220.61/x
  3. Step 3: Cross multiply
    58,078.02x = 80,151.18 × 34,220.61
  4. Step 4: Simplify right side
    58,078.02x = 2,742,822,271.82
  5. Step 5: Solve for x
    x = 2,742,822,271.82/58,078.02
  6. Step 6: Final answer
    x = 47,226.51

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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.