Home / 89,036.16-122,875.83-51,312.84

Finding the Fourth Proportional to 89,036.16, 122,875.83 and 51,312.84

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Solution

The fourth proportional to 89,036.16, 122,875.83 and 51,312.84 is: 70,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,036.16 : 122,875.83 = 51,312.84 : x
  2. Step 2: Convert to fraction form
    89,036.16/122,875.83 = 51,312.84/x
  3. Step 3: Cross multiply
    89,036.16x = 122,875.83 × 51,312.84
  4. Step 4: Simplify right side
    89,036.16x = 6,305,107,804.66
  5. Step 5: Solve for x
    x = 6,305,107,804.66/89,036.16
  6. Step 6: Final answer
    x = 70,815.14

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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.