Home / 90,384.08-124,730.82-50,098.32

Finding the Fourth Proportional to 90,384.08, 124,730.82 and 50,098.32

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Solution

The fourth proportional to 90,384.08, 124,730.82 and 50,098.32 is: 69,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.08 : 124,730.82 = 50,098.32 : x
  2. Step 2: Convert to fraction form
    90,384.08/124,730.82 = 50,098.32/x
  3. Step 3: Cross multiply
    90,384.08x = 124,730.82 × 50,098.32
  4. Step 4: Simplify right side
    90,384.08x = 6,248,804,534.22
  5. Step 5: Solve for x
    x = 6,248,804,534.22/90,384.08
  6. Step 6: Final answer
    x = 69,136.12

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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.