Home / 106,618.08-147,126.72-58,870.24

Finding the Fourth Proportional to 106,618.08, 147,126.72 and 58,870.24

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Solution

The fourth proportional to 106,618.08, 147,126.72 and 58,870.24 is: 81,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,618.08 : 147,126.72 = 58,870.24 : x
  2. Step 2: Convert to fraction form
    106,618.08/147,126.72 = 58,870.24/x
  3. Step 3: Cross multiply
    106,618.08x = 147,126.72 × 58,870.24
  4. Step 4: Simplify right side
    106,618.08x = 8,661,385,316.81
  5. Step 5: Solve for x
    x = 8,661,385,316.81/106,618.08
  6. Step 6: Final answer
    x = 81,237.49

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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.