Home / 58,607.11-80,812.67-42,442.45

Finding the Fourth Proportional to 58,607.11, 80,812.67 and 42,442.45

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Solution

The fourth proportional to 58,607.11, 80,812.67 and 42,442.45 is: 58,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,607.11 : 80,812.67 = 42,442.45 : x
  2. Step 2: Convert to fraction form
    58,607.11/80,812.67 = 42,442.45/x
  3. Step 3: Cross multiply
    58,607.11x = 80,812.67 × 42,442.45
  4. Step 4: Simplify right side
    58,607.11x = 3,429,887,705.84
  5. Step 5: Solve for x
    x = 3,429,887,705.84/58,607.11
  6. Step 6: Final answer
    x = 58,523.41

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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.