Home / 70,402.14-97,154.94-42,114.51

Finding the Fourth Proportional to 70,402.14, 97,154.94 and 42,114.51

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Solution

The fourth proportional to 70,402.14, 97,154.94 and 42,114.51 is: 58,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,402.14 : 97,154.94 = 42,114.51 : x
  2. Step 2: Convert to fraction form
    70,402.14/97,154.94 = 42,114.51/x
  3. Step 3: Cross multiply
    70,402.14x = 97,154.94 × 42,114.51
  4. Step 4: Simplify right side
    70,402.14x = 4,091,632,692.18
  5. Step 5: Solve for x
    x = 4,091,632,692.18/70,402.14
  6. Step 6: Final answer
    x = 58,118.02

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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.