Home / 70,981.08-97,953.71-40,768.36

Finding the Fourth Proportional to 70,981.08, 97,953.71 and 40,768.36

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Solution

The fourth proportional to 70,981.08, 97,953.71 and 40,768.36 is: 56,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,981.08 : 97,953.71 = 40,768.36 : x
  2. Step 2: Convert to fraction form
    70,981.08/97,953.71 = 40,768.36/x
  3. Step 3: Cross multiply
    70,981.08x = 97,953.71 × 40,768.36
  4. Step 4: Simplify right side
    70,981.08x = 3,993,411,663.89
  5. Step 5: Solve for x
    x = 3,993,411,663.89/70,981.08
  6. Step 6: Final answer
    x = 56,260.23

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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.