Home / 88,617.82-122,288.28-52,807.03

Finding the Fourth Proportional to 88,617.82, 122,288.28 and 52,807.03

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Solution

The fourth proportional to 88,617.82, 122,288.28 and 52,807.03 is: 72,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,617.82 : 122,288.28 = 52,807.03 : x
  2. Step 2: Convert to fraction form
    88,617.82/122,288.28 = 52,807.03/x
  3. Step 3: Cross multiply
    88,617.82x = 122,288.28 × 52,807.03
  4. Step 4: Simplify right side
    88,617.82x = 6,457,680,870.61
  5. Step 5: Solve for x
    x = 6,457,680,870.61/88,617.82
  6. Step 6: Final answer
    x = 72,871.13

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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.