Home / 88,242.66-121,776.03-47,957.06

Finding the Fourth Proportional to 88,242.66, 121,776.03 and 47,957.06

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Solution

The fourth proportional to 88,242.66, 121,776.03 and 47,957.06 is: 66,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,242.66 : 121,776.03 = 47,957.06 : x
  2. Step 2: Convert to fraction form
    88,242.66/121,776.03 = 47,957.06/x
  3. Step 3: Cross multiply
    88,242.66x = 121,776.03 × 47,957.06
  4. Step 4: Simplify right side
    88,242.66x = 5,840,020,681.71
  5. Step 5: Solve for x
    x = 5,840,020,681.71/88,242.66
  6. Step 6: Final answer
    x = 66,181.38

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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.