Home / 70,345.15-97,085.54-40,123.53

Finding the Fourth Proportional to 70,345.15, 97,085.54 and 40,123.53

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Solution

The fourth proportional to 70,345.15, 97,085.54 and 40,123.53 is: 55,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,345.15 : 97,085.54 = 40,123.53 : x
  2. Step 2: Convert to fraction form
    70,345.15/97,085.54 = 40,123.53/x
  3. Step 3: Cross multiply
    70,345.15x = 97,085.54 × 40,123.53
  4. Step 4: Simplify right side
    70,345.15x = 3,895,414,677.07
  5. Step 5: Solve for x
    x = 3,895,414,677.07/70,345.15
  6. Step 6: Final answer
    x = 55,375.74

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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.