Home / 74,047.77-102,153.47-43,405.34

Finding the Fourth Proportional to 74,047.77, 102,153.47 and 43,405.34

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Solution

The fourth proportional to 74,047.77, 102,153.47 and 43,405.34 is: 59,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.77 : 102,153.47 = 43,405.34 : x
  2. Step 2: Convert to fraction form
    74,047.77/102,153.47 = 43,405.34/x
  3. Step 3: Cross multiply
    74,047.77x = 102,153.47 × 43,405.34
  4. Step 4: Simplify right side
    74,047.77x = 4,434,005,369.74
  5. Step 5: Solve for x
    x = 4,434,005,369.74/74,047.77
  6. Step 6: Final answer
    x = 59,880.34

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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.