Home / 74,060.32-102,200.70-42,239.47

Finding the Fourth Proportional to 74,060.32, 102,200.70 and 42,239.47

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Solution

The fourth proportional to 74,060.32, 102,200.70 and 42,239.47 is: 58,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,060.32 : 102,200.70 = 42,239.47 : x
  2. Step 2: Convert to fraction form
    74,060.32/102,200.70 = 42,239.47/x
  3. Step 3: Cross multiply
    74,060.32x = 102,200.70 × 42,239.47
  4. Step 4: Simplify right side
    74,060.32x = 4,316,903,401.63
  5. Step 5: Solve for x
    x = 4,316,903,401.63/74,060.32
  6. Step 6: Final answer
    x = 58,289.02

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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.