Home / 70,390.04-97,118.90-40,164.49

Finding the Fourth Proportional to 70,390.04, 97,118.90 and 40,164.49

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Solution

The fourth proportional to 70,390.04, 97,118.90 and 40,164.49 is: 55,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,390.04 : 97,118.90 = 40,164.49 : x
  2. Step 2: Convert to fraction form
    70,390.04/97,118.90 = 40,164.49/x
  3. Step 3: Cross multiply
    70,390.04x = 97,118.90 × 40,164.49
  4. Step 4: Simplify right side
    70,390.04x = 3,900,730,602.27
  5. Step 5: Solve for x
    x = 3,900,730,602.27/70,390.04
  6. Step 6: Final answer
    x = 55,415.95

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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.