Home / 125,058.90-172,581.38-67,698.05

Finding the Fourth Proportional to 125,058.90, 172,581.38 and 67,698.05

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Solution

The fourth proportional to 125,058.90, 172,581.38 and 67,698.05 is: 93,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,058.90 : 172,581.38 = 67,698.05 : x
  2. Step 2: Convert to fraction form
    125,058.90/172,581.38 = 67,698.05/x
  3. Step 3: Cross multiply
    125,058.90x = 172,581.38 × 67,698.05
  4. Step 4: Simplify right side
    125,058.90x = 11,683,421,690.91
  5. Step 5: Solve for x
    x = 11,683,421,690.91/125,058.90
  6. Step 6: Final answer
    x = 93,423.35

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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.