Home / 70,837.18-97,755.60-42,543.34

Finding the Fourth Proportional to 70,837.18, 97,755.60 and 42,543.34

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Solution

The fourth proportional to 70,837.18, 97,755.60 and 42,543.34 is: 58,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,837.18 : 97,755.60 = 42,543.34 : x
  2. Step 2: Convert to fraction form
    70,837.18/97,755.60 = 42,543.34/x
  3. Step 3: Cross multiply
    70,837.18x = 97,755.60 × 42,543.34
  4. Step 4: Simplify right side
    70,837.18x = 4,158,849,727.70
  5. Step 5: Solve for x
    x = 4,158,849,727.70/70,837.18
  6. Step 6: Final answer
    x = 58,709.98

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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.