Home / 93,935.93-129,681.47-63,881.69

Finding the Fourth Proportional to 93,935.93, 129,681.47 and 63,881.69

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Solution

The fourth proportional to 93,935.93, 129,681.47 and 63,881.69 is: 88,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,935.93 : 129,681.47 = 63,881.69 : x
  2. Step 2: Convert to fraction form
    93,935.93/129,681.47 = 63,881.69/x
  3. Step 3: Cross multiply
    93,935.93x = 129,681.47 × 63,881.69
  4. Step 4: Simplify right side
    93,935.93x = 8,284,270,976.58
  5. Step 5: Solve for x
    x = 8,284,270,976.58/93,935.93
  6. Step 6: Final answer
    x = 88,190.66

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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.