Home / 89,477.16-134,208.76-52,013.34

Finding the Fourth Proportional to 89,477.16, 134,208.76 and 52,013.34

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Solution

The fourth proportional to 89,477.16, 134,208.76 and 52,013.34 is: 78,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,477.16 : 134,208.76 = 52,013.34 : x
  2. Step 2: Convert to fraction form
    89,477.16/134,208.76 = 52,013.34/x
  3. Step 3: Cross multiply
    89,477.16x = 134,208.76 × 52,013.34
  4. Step 4: Simplify right side
    89,477.16x = 6,980,645,601.18
  5. Step 5: Solve for x
    x = 6,980,645,601.18/89,477.16
  6. Step 6: Final answer
    x = 78,015.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.