Home / 74,427.06-102,710.50-40,436.22

Finding the Fourth Proportional to 74,427.06, 102,710.50 and 40,436.22

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Solution

The fourth proportional to 74,427.06, 102,710.50 and 40,436.22 is: 55,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,427.06 : 102,710.50 = 40,436.22 : x
  2. Step 2: Convert to fraction form
    74,427.06/102,710.50 = 40,436.22/x
  3. Step 3: Cross multiply
    74,427.06x = 102,710.50 × 40,436.22
  4. Step 4: Simplify right side
    74,427.06x = 4,153,224,374.31
  5. Step 5: Solve for x
    x = 4,153,224,374.31/74,427.06
  6. Step 6: Final answer
    x = 55,802.61

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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.