Home / 93,506.78-129,066.14-55,272.76

Finding the Fourth Proportional to 93,506.78, 129,066.14 and 55,272.76

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Solution

The fourth proportional to 93,506.78, 129,066.14 and 55,272.76 is: 76,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,506.78 : 129,066.14 = 55,272.76 : x
  2. Step 2: Convert to fraction form
    93,506.78/129,066.14 = 55,272.76/x
  3. Step 3: Cross multiply
    93,506.78x = 129,066.14 × 55,272.76
  4. Step 4: Simplify right side
    93,506.78x = 7,133,841,780.35
  5. Step 5: Solve for x
    x = 7,133,841,780.35/93,506.78
  6. Step 6: Final answer
    x = 76,292.24

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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.