Home / 66,208.51-99,356.50-31,150.90

Finding the Fourth Proportional to 66,208.51, 99,356.50 and 31,150.90

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Solution

The fourth proportional to 66,208.51, 99,356.50 and 31,150.90 is: 46,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208.51 : 99,356.50 = 31,150.90 : x
  2. Step 2: Convert to fraction form
    66,208.51/99,356.50 = 31,150.90/x
  3. Step 3: Cross multiply
    66,208.51x = 99,356.50 × 31,150.90
  4. Step 4: Simplify right side
    66,208.51x = 3,095,044,225.34
  5. Step 5: Solve for x
    x = 3,095,044,225.34/66,208.51
  6. Step 6: Final answer
    x = 46,746.93

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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.