Home / 109,802.40-164,590.20-59,776.80

Finding the Fourth Proportional to 109,802.40, 164,590.20 and 59,776.80

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Solution

The fourth proportional to 109,802.40, 164,590.20 and 59,776.80 is: 89,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,802.40 : 164,590.20 = 59,776.80 : x
  2. Step 2: Convert to fraction form
    109,802.40/164,590.20 = 59,776.80/x
  3. Step 3: Cross multiply
    109,802.40x = 164,590.20 × 59,776.80
  4. Step 4: Simplify right side
    109,802.40x = 9,838,675,467.36
  5. Step 5: Solve for x
    x = 9,838,675,467.36/109,802.40
  6. Step 6: Final answer
    x = 89,603.46

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1.5x scale

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.