Home / 70,655.09-97,490.25-45,141.84

Finding the Fourth Proportional to 70,655.09, 97,490.25 and 45,141.84

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Solution

The fourth proportional to 70,655.09, 97,490.25 and 45,141.84 is: 62,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,655.09 : 97,490.25 = 45,141.84 : x
  2. Step 2: Convert to fraction form
    70,655.09/97,490.25 = 45,141.84/x
  3. Step 3: Cross multiply
    70,655.09x = 97,490.25 × 45,141.84
  4. Step 4: Simplify right side
    70,655.09x = 4,400,889,267.06
  5. Step 5: Solve for x
    x = 4,400,889,267.06/70,655.09
  6. Step 6: Final answer
    x = 62,286.94

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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.