Home / 106,566.10-146,970.93-64,116.70

Finding the Fourth Proportional to 106,566.10, 146,970.93 and 64,116.70

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Solution

The fourth proportional to 106,566.10, 146,970.93 and 64,116.70 is: 88,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,566.10 : 146,970.93 = 64,116.70 : x
  2. Step 2: Convert to fraction form
    106,566.10/146,970.93 = 64,116.70/x
  3. Step 3: Cross multiply
    106,566.10x = 146,970.93 × 64,116.70
  4. Step 4: Simplify right side
    106,566.10x = 9,423,291,027.53
  5. Step 5: Solve for x
    x = 9,423,291,027.53/106,566.10
  6. Step 6: Final answer
    x = 88,426.72

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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.