Home / 70,985.84-97,946.82-42,693.35

Finding the Fourth Proportional to 70,985.84, 97,946.82 and 42,693.35

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Solution

The fourth proportional to 70,985.84, 97,946.82 and 42,693.35 is: 58,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985.84 : 97,946.82 = 42,693.35 : x
  2. Step 2: Convert to fraction form
    70,985.84/97,946.82 = 42,693.35/x
  3. Step 3: Cross multiply
    70,985.84x = 97,946.82 × 42,693.35
  4. Step 4: Simplify right side
    70,985.84x = 4,181,677,377.91
  5. Step 5: Solve for x
    x = 4,181,677,377.91/70,985.84
  6. Step 6: Final answer
    x = 58,908.62

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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.