Home / 58,880.19-81,327.60-42,721.58

Finding the Fourth Proportional to 58,880.19, 81,327.60 and 42,721.58

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Solution

The fourth proportional to 58,880.19, 81,327.60 and 42,721.58 is: 59,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,880.19 : 81,327.60 = 42,721.58 : x
  2. Step 2: Convert to fraction form
    58,880.19/81,327.60 = 42,721.58/x
  3. Step 3: Cross multiply
    58,880.19x = 81,327.60 × 42,721.58
  4. Step 4: Simplify right side
    58,880.19x = 3,474,443,278.72
  5. Step 5: Solve for x
    x = 3,474,443,278.72/58,880.19
  6. Step 6: Final answer
    x = 59,008.70

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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.