Home / 125,621.08-188,457.58-41,386.36

Finding the Fourth Proportional to 125,621.08, 188,457.58 and 41,386.36

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Solution

The fourth proportional to 125,621.08, 188,457.58 and 41,386.36 is: 62,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.08 : 188,457.58 = 41,386.36 : x
  2. Step 2: Convert to fraction form
    125,621.08/188,457.58 = 41,386.36/x
  3. Step 3: Cross multiply
    125,621.08x = 188,457.58 × 41,386.36
  4. Step 4: Simplify right side
    125,621.08x = 7,799,573,250.61
  5. Step 5: Solve for x
    x = 7,799,573,250.61/125,621.08
  6. Step 6: Final answer
    x = 62,088.09

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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.