Home / 74,078.85-111,069.47-42,058.74

Finding the Fourth Proportional to 74,078.85, 111,069.47 and 42,058.74

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Solution

The fourth proportional to 74,078.85, 111,069.47 and 42,058.74 is: 63,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,078.85 : 111,069.47 = 42,058.74 : x
  2. Step 2: Convert to fraction form
    74,078.85/111,069.47 = 42,058.74/x
  3. Step 3: Cross multiply
    74,078.85x = 111,069.47 × 42,058.74
  4. Step 4: Simplify right side
    74,078.85x = 4,671,442,065.81
  5. Step 5: Solve for x
    x = 4,671,442,065.81/74,078.85
  6. Step 6: Final answer
    x = 63,060.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.