Home / 70,557.28-97,369.05-42,279.34

Finding the Fourth Proportional to 70,557.28, 97,369.05 and 42,279.34

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Solution

The fourth proportional to 70,557.28, 97,369.05 and 42,279.34 is: 58,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,557.28 : 97,369.05 = 42,279.34 : x
  2. Step 2: Convert to fraction form
    70,557.28/97,369.05 = 42,279.34/x
  3. Step 3: Cross multiply
    70,557.28x = 97,369.05 × 42,279.34
  4. Step 4: Simplify right side
    70,557.28x = 4,116,699,170.43
  5. Step 5: Solve for x
    x = 4,116,699,170.43/70,557.28
  6. Step 6: Final answer
    x = 58,345.49

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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.