Home / 70,340.58-97,077.78-40,133.34

Finding the Fourth Proportional to 70,340.58, 97,077.78 and 40,133.34

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Solution

The fourth proportional to 70,340.58, 97,077.78 and 40,133.34 is: 55,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.58 : 97,077.78 = 40,133.34 : x
  2. Step 2: Convert to fraction form
    70,340.58/97,077.78 = 40,133.34/x
  3. Step 3: Cross multiply
    70,340.58x = 97,077.78 × 40,133.34
  4. Step 4: Simplify right side
    70,340.58x = 3,896,055,551.19
  5. Step 5: Solve for x
    x = 3,896,055,551.19/70,340.58
  6. Step 6: Final answer
    x = 55,388.45

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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.